how to calculate 23 x 27 less than 2 seconds?

here it is:

23 x 27 = ...

i) add 1 to 2 = 3, then multiply by 2 = 3 x 2 = 6

ii) multiply 3 by 7 = 3 x 7 = 21

the answer is 621.

try for 36 x 34 = ...

i) add 1 to 3 = 4, then multiply by 3 = 4 x 3 = 12

ii) 6 x 4 = 24.

the answer is 1224.

easy right?

now, do exercises with other numbers! try until u can do it <>

can you find the rules that applies for these multiplications?

all the best for you!!!

## 2 comments:

wow tips bagus buat belajar anak pak. makasih

ok, semoga bermanfaat.

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