Math Studio

 Kya tumne abacus ke baare mein suna hai? Aaj main tumhe abacus ke baare mein ekdum aasan tarika bataungi. Abacus Kya Hota Hai? Abacus ek purana calculating tool hai jisme ek frame hoti hai aur usme beads (moti) hote hain. Yeh duniya ka sabse purana calculator hai. Aaj bhi children ke liye maths seekhne ka best tool maana jaata hai. Abacus Mein Kya Hota Hai? Abacus mein horizontal rods hoti hain. Har rod pe beads hoti hain. Beads ko aage peeche karke numbers represent karte hain. Har rod ek place value represent karti hai — ones, tens, hundreds! Abacus Se Kya Fayda Hai? Maths mein speed badhti hai Mental maths strong hoti hai Concentration badhti hai Numbers ki samajh achhi hoti hai Calculator ke bina jaldi calculate kar sakte hain Abacus Kaise Seekhe? Abacus seekhne ke liye: Pehle place values samjho Ek rod ek digit represent karti hai Beads upar karo — number add hota hai Beads neeche karo — number ghatta hai Real Life Mein Abacus Aaj bhi Japan, China aur India mein abacus use ho...

 Kya number patterns dekh ke confuse ho jaate ho? Chinta mat karo! Aaj main tumhe number patterns ka ekdum aasan tarika bataungi. Number Pattern Kya Hota Hai? Number pattern ek aisi series hoti hai jisme numbers ek rule follow karte hain. Jaise 2, 4, 6, 8 — yahan har baar 2 jod rahe hain — yahi ek pattern hai. Pattern Kaise Pehchano Har do consecutive numbers ka fark dekho: 3, 6, 9, 12 — fark 3 hai — 3 ka table. 1, 4, 9, 16 — yeh perfect squares hain. 2, 4, 8, 16 — har baar double ho raha hai. Common Patterns Yaad Karo Odd Numbers: 1, 3, 5, 7, 9 — har baar 2 jodte hain Even Numbers: 2, 4, 6, 8, 10 — har baar 2 jodte hain Square Numbers: 1, 4, 9, 16, 25 — 1², 2², 3², 4², 5² Cube Numbers: 1, 8, 27, 64, 125 — 1³, 2³, 3³, 4³, 5³ Fibonacci Series: 1, 1, 2, 3, 5, 8, 13 — pehle do numbers jodo, agla number milta hai. Yaad Rakhne Ka Aasan Tarika Number patterns ko detective game ki tarah khelo. Clue dhundho — fark nikalo — rule pakdo — pattern samajh aaya. Jab game ki tarah socho to patter...

 Kya Roman numbers dekh ke confuse ho jaate ho? Chinta mat karo! Aaj main tumhe Roman numbers ka ekdum aasan tarika bataungi. Roman Numbers Kya Hote Hain? Roman numbers ek purana number system hai jisme letters se numbers likhte hain. Aaj bhi ghadi (watch) mein, movies mein aur kai jagah Roman numbers use hote hain. Basic Roman Numbers Yaad Karo I = 1 V = 5 X = 10 L = 50 C = 100 D = 500 M = 1000 Yaad Rakhne Ki Trick I Very Xenious Lions Can Drink Milk I=1, V=5, X=10, L=50, C=100, D=500, M=1000 Roman Numbers Kaise Padhein Jab chhota number bade number se pehle aaye — ghatao. IV = 5-1 = 4 IX = 10-1 = 9 XL = 50-10 = 40 CM = 1000-100 = 900 Jab chhota number bade number ke baad aaye — jodo. VI = 5+1 = 6 XI = 10+1 = 11 LX = 50+10 = 60 Example Se Samjho 2026 ko Roman mein kaise likhein? 2000 = MM 26 = XXVI 2026 = MMXXVI Yaad Rakhne Ka Aasan Tarika Roman numbers ko bade ghar ki tarah socho — pehle bada kamra, phir chhota. Jab chhota pehle aaye — ghatao, jab baad mein aaye — jodo. Toh dosto...

 Kya competitive exams mein negative marking se dar lagta hai? Chinta mat karo! Aaj main tumhe negative marking se bachne ke aasan tips bataungi. Negative Marking Kya Hoti Hai? Negative marking matlab — galat answer dene pe marks kate jaate hain. Jaise: Sahi answer — 2 marks milte hain Galat answer — 0.5 marks kate jaate hain Nahi kiya — 0 marks Isliye galat answer dene se achha hai — nahi karna. Tip 1 — Pehle Confirm Karo Koi bhi answer mark karne se pehle confirm karo — kya yeh sahi hai? Agar 80% sure ho — tab karo. Agar 50-50 hai — mat karo. Tip 2 — Elimination Method Use Karo Multiple choice mein galat options hatao: 4 options mein se 2 clearly galat hain — hatao Ab 2 options bache — ab 50-50 chance hai Ab decide karo — karna hai ya nahi. Tip 3 — Pehle Aasan Sawaal Karo Aasan sawaal pehle karo — woh pakke hain. Mushkil sawaal mein time mat lagao. Isse negative marking ka darr kam hota hai. Tip 4 — Guess Mat Karo Bilkul guess (andaza) mat karo. Agar topic hi nahi aata — woh sawa...

 Kya competitive exams me maths mushkil lagti hai? Chinta mat karo! Aaj main tumhe competitive exams me maths crack karne ke aasan tips bataungi. Competitive Exam Maths Alag Kyun Hoti Hai? Competitive exam maths me: Time bahut kam hota hai Sawaal tricky hote hain Shortcuts kaam aate hain Speed bahut zaroori hai Accuracy bhi chahiye Tip 1 — Syllabus Pehle Dekho Har competitive exam ka alag syllabus hota hai. Pehle syllabus dekho — phir taiyari karo. Bina syllabus jaane padhna — time waste hai. Tip 2 — Previous Papers Solve Karo Pichle 5-10 saal ke papers solve karo. Isse pata chalta hai: Kaun se topics zyada aate hain Kitna time lagta hai Kaun se sawaal mushkil hote hain Tip 3 — Speed Badhao Competitive exam mein speed sabse zaroori hai. Roz timer lagake practice karo. Vedic maths tricks seekho. Mental maths strong karo. Tip 4 — Accuracy Maintain Karo Speed ke saath accuracy bhi zaroori hai. Kyunki zyada tar exams mein negative marking hoti hai. Galat answer pe marks kate jaate hain...

 Kya tumhe pata nahi kaun si maths ki book padhni chahiye? Chinta mat karo! Aaj main tumhe class wise best maths books bataungi. Achhi Book Kyun Zaroori Hai? Achhi book se: Concepts clearly samajh aate hain Bahut saare practice sawaal milte hain Step by step explanation milti hai Exam ki taiyari achhi hoti hai Class 6 Se 8 Ke Liye Best Books NCERT Maths — sabse pehle yeh padho RS Aggarwal — extra practice ke liye RD Sharma — advanced sawaal ke liye Class 9 Aur 10 Ke Liye Best Books NCERT Maths — bilkul zaroori RD Sharma — bahut achhi book hai RS Aggarwal — practice ke liye ML Aggarwal — advanced students ke liye Class 11 Aur 12 Ke Liye Best Books NCERT Maths — pehle yeh RD Sharma — detailed explanation Arihant Maths — competitive exams ke liye SK Goyal — algebra ke liye Competitive Exams Ke Liye Best Books Quantitative Aptitude by RS Aggarwal — sabse popular Fast Track Maths by Rajesh Verma — shortcuts ke liye Magical Book on Quicker Maths — speed ke liye Yaad Rakhne Ka Aasan Tarik...

 Kya board exam mein maths mein full marks chahiye? Chinta mat karo! Aaj main tumhe kuch aisi tips bataungi jisse board exam mein maths mein full marks lana mumkin ho sakta hai. Kya Full Marks Possible Hai? Haan possible hai.Maths ek aisa subject hai jisme full marks aa sakte hain. Kyunki maths mein ek sahi answer hota hai — agar sahi kiya to poore marks milte hain. Tip 1 — Har Step Likho Board exam mein sirf answer nahi — har step likhna zaroori hai. Jaise agar 5 marks ka sawaal hai — har step pe marks milte hain. Step chhoda to marks gaye. Tip 2 — Neat Aur Clean Likho Examiner ko clearly dikhna chahiye kya likha hai. Saaf likho, steps clearly likho, answer underline karo. Neat paper pe examiner khush hota hai. Tip 3 — Poora Paper Pahle Dekho Exam shuru hone pe pehle poora paper dekho. Kaun se sawaal aasan hain — pehle woh karo. Mushkil sawaal baad mein — isse time waste nahi hoga. Tip 4 — Formula Pehle Likho Har sawaal mein pehle formula likho — phir values daalo. Agar answer gal...

 Kya akele maths padhna boring lagta hai? Kya kuch topics samajh nahi aate? Chinta mat karo! Aaj main tumhe maths mein group study karne ka aasan tarika bataungi. Group Study Kya Hoti Hai? Group study matlab 2-4 doston ke saath milke padhna. Ek doosre ko samjhao, sawaal karo, aur saath mein seekho. Group Study Ke Fayde Mushkil topics jaldi samajh aate hain Boring nahi lagta Ek doosre ki galtiyan pakad sakte hain Naye tarike seekhne ko milte hain Confidence badhta hai Tip 1 — Sahi Group Banao Group mein 2-4 log rakho — zyada log hon to dhyan bhatak jaata hai. Serious padhne wale dost chuno — sirf time waste karne wale nahi. Tip 2 — Pehle Khud Padho Group study se pehle topic khud padho. Jab khud samajh aaye — tab group mein discuss karo. Bilkul bina padhe group study mein mat jao. Tip 3 — Ek Topic Ek Din Ek group study mein sirf ek ya do topics karo. Zyada topics loge to kuch bhi pakka nahi hoga. Tip 4 — Baari Baari Samjhao Har member baari baari ek topic samjhaye. Jab hum kisi ko s...

 Kya maths ke sawaal solve karne mein zyada time lagta hai? Chinta mat karo! Aaj main tumhe kuch aisi shortcut tricks bataungi jisse koi bhi sawaal jaldi solve ho jayega. Trick 1 — Kisi Bhi Number Ko 10 Se Multiply Karo Bas number ke aage ek zero lagao. 25 × 10 = 250 143 × 10 = 1430 Itna aasan. 😊 Trick 2 — Kisi Bhi Number Ko 5 Se Multiply Karo Number ko 2 se divide karo aur 10 lagao: 46 × 5 = 46/2 × 10 = 23 × 10 = 230 84 × 5 = 84/2 × 10 = 42 × 10 = 420 Trick 3 — Kisi Bhi Number Ko 25 Se Multiply Karo Number ko 4 se divide karo aur 100 lagao: 36 × 25 = 36/4 × 100 = 9 × 100 = 900 48 × 25 = 48/4 × 100 = 12 × 100 = 1200 Trick 4 — Do Digit Numbers Ka Square Agar number 5 pe khatam hota ho: Pehle digit ko agla number se multiply karo Phir 25 lagao Jaise 35² = 3×4 = 12, phir 25 lagao = 1225 45² = 4×5 = 20, phir 25 lagao = 2025 Trick 5 — 9 Se Multiply Karna Number ko 10 se multiply karo phir woh number ghatao: 67 × 9 = 67 × 10 - 67 = 670 - 67 = 603 43 × 9 = 43 × 10 - 43 = 430 - 43 = 387 T...

 Kya calculator ke bina maths karna mushkil lagta hai? Chinta mat karo! Aaj main tumhe calculator ke bina maths karne ke aasan tips bataungi. Calculator Pe Depend Kyun Nahi Karna Chahiye? Calculator pe zyada depend karne se: Dimag slow ho jaata hai Exam mein jahan calculator nahi milta — mushkil hoti hai Mental maths kamzor ho jaati hai Speed kam ho jaati hai Tip 1 — Tables Pakki Karo 2 se 20 tak ki tables pakki yaad karo. Jab tables pakki hon to multiply karna calculator se bhi jaldi hota hai. Tip 2 — Squares Yaad Karo 1 se 25 tak ke squares yaad karo. Jaise: 11² = 121 12² = 144 15² = 225 20² = 400 Yeh yaad hone se bahut sawaal jaldi solve hote hain. Tip 3 — Vedic Maths Tricks Use Karo Vedic maths tricks se bade numbers bhi jaldi solve hote hain. Jaise 99 × 99: (100-1) × (100-1) = 10000 - 200 + 1 = 9801 Calculator se bhi jaldi. Tip 4 — Approximation Use Karo Jab exact answer nahi chahiye — approximate karo. Jaise 48 × 52 — socho 50 × 50 = 2500 — answer 2500 ke aas paas hoga. Tip 5...

 Kya maths revision karne ka sahi tarika pata nahi? Kya revision karte waqt sab bhool jaate ho? Chinta mat karo! Aaj main tumhe maths revision karne ka ekdum aasan tarika bataungi. Revision Kyun Zaroori Hai? Bina revision ke: Padha hua bhool jaata hai Exam mein yaad nahi rehta Confidence kam hota hai Revision se: Sab pakka yaad rehta hai Exam mein jaldi solve hota hai Confidence badhta hai. Tip 1 — Roz Thodi Revision Karo Ek din mein poora syllabus mat padho. Roz thoda thoda karo: Aaj ka naya topic seekho Kal ka topic dobara dekho Hafte ka topic ek baar aur dekho Isse sab pakka yaad rehta hai. Tip 2 — Formulas Roz Dekho Subah uthke 5 minute formulas dekho. Raat ko sone se pehle 5 minute formulas dekho. Roz dekhne se formulas kabhi nahi bhoolenge. Tip 3 — Sawaal Dobara Solve Karo Revision mein sirf padhna nahi — sawaal dobara solve karo. Jab khud se solve karo — tab pata chalta hai kya yaad hai aur kya nahi. Tip 4 — Galtiyon Ki Copy Dekho Jahan galtiyan likhi hain — woh copy nikaalo...

 Kya tumhari maths notebook messy rehti hai? Kya notes aise hote hain ki baad mein samajh nahi aata? Chinta mat karo! Aaj main tumhe topper students jaisi maths notebook banane ka tarika bataungi. Achhi Notebook Kyun Zaroori Hai? Achhi notebook se: Revision jaldi hoti hai Formulas dhundne mein time nahi lagta Exam se pehle sirf notebook padho — sab yaad aa jaata hai Dimag organized rehta hai Tip 1 — Alag Alag Section Banao Notebook ko teen hisson mein todo: Formulas — sirf formulas Examples — solved examples Practice — khud ke sawaal Tip 2 — Saaf Saaf Likho Maths mein saaf likhna bahut zaroori hai. Jaise 1 aur 7 alag dikhne chahiye. 0 aur 6 alag dikhne chahiye. Jaldi mein likho par saaf likho. Tip 3 — Steps Clearly Likho Har sawaal ke steps clearly likho. Ek step ek line mein. Beech mein space chhodo. Isse galti dhundna aasan hota hai. Tip 4 — Formulas Box Mein Likho Jab bhi koi formula likho — uske around box banao. Isse formula alag se dikh jaata hai. Revision mein sirf boxes dek...

 Kya maths padhte waqt dhyan bhatak jaata hai? Kya thodi der mein hi bore ho jaati ho? Chinta mat karo. Aaj main tumhe maths mein concentration badhane ke aasan tips bataungi. Concentration Kyun Toot Ti Hai? Bahut se students ke saath yeh hota hai: Mobile notifications aati hain Shor bahut hota hai Neend aati hai Interest nahi hota Ek jagah bahut der baithte hain Tip 1 — Mobile Door Rakho Padhte waqt mobile doosre kamre mein rakh do. Sirf ek notification se concentration toot jaati hai — phir wapas aane mein 15-20 minute lagte hain. Tip 2 — Sahi Jagah Padho Ek fixed jagah choose karo padhne ke liye. Wahi chair, wahi table — roz. Dimag automatically samajh jaata hai — yahan aao to padhna hai. Tip 3 — Pomodoro Technique Use Karo Yeh ek famous technique hai: 25 minute padho — bilkul focus se 5 minute break lo Phir 25 minute padho Aise 4 baar karo — phir lamba break lo Isse concentration bahut badhti hai. Tip 4 — Pehle Mushkil Karo Jab dimag fresh ho — mushkil topics karo. Aasan topics...

 Kya maths ke word problems dekh ke confuse ho jaati ho? Kya samajh nahi aata kahan se shuru karein? Chinta mat karo! Aaj main tumhe word problems solve karne ka ekdum aasan tarika bataungi. Word Problem Kya Hota Hai? Word problem matlab ek kahani jaisa sawaal jisme maths chhupa hota hai. Jaise — "Ram ke paas 50 rupaye hain. Usne 20 rupaye kharche. Kitne bache?" — yeh ek word problem hai. Step 1 — Pehle Poora Padho Word problem ko ek baar poora padho. Jaldi mat karo. Samjho ki sawaal mein kya ho raha hai. Doosri baar padho — ab details note karo. Step 2 — Zaroori Information Nikalo Sawaal mein jo numbers aur information di hai — underline karo. Jaise: Kya diya hai — Given Kya puchha hai — Find Step 3 — Diagram Banao Agar ho sake to ek chhota diagram banao. Jaise age ke sawaal mein — names aur ages likho. Distance ke sawaal mein — map banao. Diagram se sawaal clear ho jaata hai. Step 4 — Formula Choose Karo Ab socho — is sawaal mein kaun sa formula lagega? Paisa wala sawaal — ...

 Kya maths ke formulas yaad nahi rehte? Kya exam mein formulas bhool jaate hain? Chinta mat karo! Aaj main tumhe formulas jaldi yaad karne ka aasan tarika bataungi. Formulas Yaad Kyun Nahi Rehte? Bahut se students ke saath yeh hota hai: Sirf ek baar padhte hain — dobara nahi Samjhe bina yaad karte hain Practice nahi karte Likhte nahi — sirf padhte hain Tarika 1 — Samajh Ke Yaad Karo Formula sirf rato mat  — samjho kyun bana hai. Jaise area = length × breadth — socho kamre ki zameen nikalni hai — length aur breadth multiply karo. Jab samajh aaya to kabhi nahi bhulo ge. Tarika 2 — Baar Baar Likho Roz ek formula 10 baar likho. Haath se likhne se memory strong hoti hai. Ek copy sirf formulas ke liye rakho — roz dekho. Tarika 3 — Tricks Banao Formulas yaad karne ki tricks banao. Jaise LAL KKA trick trigonometry ke liye — ek baar yaad karo — hamesha kaam aayegi. Tarika 4 — Flashcards Banao Chhoti chhoti cards banao: Ek taraf formula likho Doosri taraf example likho Roz dekho — jaldi...

 Kya maths ka naam sunke hi dar lagta hai? Kya exam mein maths ke sawaal dekh ke haath kaanpte hain? Chinta mat karo! Aaj main tumhe maths ka dar bhagane ke aasan tips bataungi. Maths Ka Dar Kyun Lagta Hai? Bahut se students ko maths se dar lagta hai kyunki: Bachpan mein kisi ne kaha — "Maths bahut mushkil hai..." Ek baar fail hue — aur confidence toot gaya Basic clear nahi tha — aage mushkil laga Sirf marks ke liye padha — samjha nahi Tip 1 — Soch Badlo Sabse pehle yeh soch badlo — "Maths mushkil nahi hai — main abhi seekh (rahi/raha) hoon." Jab soch badlegi — dar apne aap kam hoga. Tip 2 — Basic Se Shuru Karo Agar maths mein dar lagta hai to wapas basic pe jao. Jaise addition, subtraction, tables — yeh pakke karo. Jab basic strong hoga to aage ka sab aasan lagega. Tip 3 — Chhoti Chhoti Jeet Lo Roz ek mushkil sawaal solve karo. Jab solve ho jaye — khud ko shabashi do. Chhoti chhoti jeet confidence badhati hai. Tip 4 — Galti Karna Normal Hai Galti karna bura nahi — ...

 Kya exam aane wala hai aur maths ki taiyari nahi hui? Chinta mat karo! Aaj main tumhe maths exam ki taiyari karne ke aasan tips bataungi. 1 Mahine Pehle Kya Karo Jab exam 1 mahine door ho tab: Poora syllabus ek baar dekho Kaun se topics kamzor hain — list banao Kamzor topics pehle shuru karo Roz 1-2 topics cover karo 1 Hafte Pehle Kya Karo Jab exam 1 hafte door ho tab: Previous year papers solve karo Formulas dobara yaad karo Short notes padho Timer lagake practice karo 1 Din Pehle Kya Karo Jab exam kal ho tab: Naya topic bilkul mat padho Sirf formulas aur short notes padho Raat ko achhe se so jao Dimag fresh rakhna zaroori hai. Exam Ke Din Kya Karo Subah jaldi utho Achha naashta karo — dimag ko energy chahiye. Exam hall mein jaldi pahuncho Pehle poora paper padho Aasan sawaal pehle karo Mushkil sawaal baad mein Exam Mein Time Management Pehle 5 minute — poora paper padho Aasan sawaal — jaldi karo Mushkil sawaal — zyada time do Last 10 minute — check karo Yaad Rakhne Ka Aasan Tari...

 Kya tum maths mein topper banna chahte ho? Kya exam mein zyada marks chahiye? Chinta mat karo! Aaj main tumhe 10 aisan tips bataungi jisse tum maths mein topper ban sakte ho. Tip 1 — Roz Practice Karo Maths ek aisa subject hai jo sirf padhne se nahi aata — karna padta hai. Roz kam se kam 30 minute maths practice karo. Jitna zyada practice — utne zyada marks. Tip 2 — Basic Clear Karo Agar basic kamzor hai to aage ke sawaal mushkil lagte hain. Pehle tables, formulas aur basic concepts pakke karo. Jab base strong hoga to baaki sab aasan lagega. Tip 3 — Formulas Yaad Karo Ek copy sirf formulas ke liye rakho. Roz ek baar padho. Exam se pehle yahi copy kaam aayegi. Tip 4 — Galtiyon Se Seekho Jab koi sawaal galat ho to usse dobara karo. Samjho kahan galti hui. Galti copy mein likho — wahi galti dobara nahi hogi. Tip 5 — Time Management Karo Exam mein timer lagake practice karo. Khud ko time do — jaise "yeh 5 sawaal 15 minute mein karungi." Isse speed badhti hai. Tip 6 — Mushkil Top...

 Kya calculator ke bina maths karna mushkil lagta hai? Chinta mat karo! Aaj main tumhe mental maths improve karne ke aasan tips bataungi. Mental Maths Kya Hota Hai? Mental maths matlab hai — bina kagaz, bina calculator ke, sirf dimag mein calculate karna. Jaise dukaan mein jaldi paise count karna ya exam mein jaldi sawaal solve karna. Tip 1 — Numbers Ko Tod Ke Jodo Bade numbers ko chhote hisson mein todo: 47 + 38 — socho 47 + 30 = 77, phir 77 + 8 = 85 Ek dum aasan ho gaya. Tip 2 — Round Karke Calculate Karo Numbers ko round karo phir adjust karo: 99 + 47 — socho 100 + 47 = 147, phir 1 ghatao = 146 Jaldi ho gaya. Tip 3 — Tables Pakki Karo 2 se 20 tak ki tables pakki yaad karo. Jab tables pakki hon to multiply karna bahut jaldi ho jaata hai! Tip 4 — Squares Yaad Karo 1 se 20 tak ke squares yaad karo: 11² = 121 12² = 144 13² = 169 15² = 225 Yeh yaad hone se bahut sawaal jaldi solve hote hain. Tip 5 — Percentage Jaldi Nikalo 10% nikalna — number ko 10 se divide karo 5% nikalna — pehle ...

 Kya calculator ke bina bade numbers calculate karna mushkil lagta hai? Chinta mat karo! Aaj main tumhe Vedic Maths ki kuch aasan tricks bataungi jisse tum jaldi jaldi calculate kar sakoge. Vedic Maths Kya Hai? Vedic Maths ancient India ki calculation tricks hain. Inse bade se bade sawaal bhi seconds mein solve ho jaate hain — calculator ki zarurat nahi. Trick 1 — 11 Se Multiply Karna Koi bhi 2 digit number ko 11 se multiply karo: Jaise 43 × 11: Dono digits ko alag karo — 4 aur 3 Beech mein dono ka jod daalo — 4+3=7 Answer: 473 Ek aur — 57 × 11: 5 aur 7 alag karo Beech mein 5+7=12 — yahan 2 beech mein aayega aur 1 aage wale mein jodenge Answer: 627 Trick 2 — 5 Se Multiply Karna Koi bhi number ko 5 se multiply karna ho: Number ko 2 se divide karo Phir 10 se multiply karo Jaise 48 × 5: 48 ÷ 2 = 24 24 × 10 = 240 Answer: 240 Trick 3 — 9 Se Multiply Karna Koi bhi number ko 9 se multiply karna ho: Number ko 10 se multiply karo Phir woh number ghata do Jaise 23 × 9: 23 × 10 = 230 230 - 23...