Math Tricks for INSTANT Calculation
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Fast Mental Multiplication Trick - Multiply in your head using base 20 and 30
10:20
Square ANY number up to 1000 in 5 seconds - math trick!
10:41
10 Math Tricks School Didn't Teach You But Should Have
8:16
How to multiply ANY numbers the fast way - Fast Math Trick
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How to Calculate faster than a Calculator? | Mental Maths | (Part -1, 47 × 25 in a second)| #howto
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Calculer 98 x 97 EN 10 SECONDES 😎
9:46
Square root in 3 seconds - math trick
10:50