Видео с ютуба Math Tricks By Suresh
FOUR TRICKS to Multiply 2-Digit Numbers
Trick 64 - Mixed Fractions - Add & Subtract Mentally
Trick 4 - Square of a Two Digit Number
Trick 2 - Multiplication by Nines completed
Big Number x Any 2-Digit No. II 81779 x 46 & 566147 x 38 in 10 Seconds II Single Line Multiplication
Trick 16 - Multiply Any Two Numbers in One Line
Find LCM in 3 Seconds II No Factorization II Mathematics II Easy Trick for LCM II Add Fractions
3 Tricks to Subtract in Mind II No Borrowing Required II Exclusive Video for 10x Fast Calculations