New: mental-tricks

successfully00 (57)in mathematics • 8 years ago
Knowing The Math - Mental Tricks - Multiplication Part 1
How could you multiply 9 with 8 some of you have probably memorize the multiples of 9 and know the answer we know that it is 72 But in this session we will understand multiplication in a very…
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Knowing The Math - Mental Tricks - Multiplication Part 1