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21-10-2020
Mathematics

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Please explain how to find 40 x 50 using mental math... xD

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Аноним Аноним

21-10-2020

Answer:

Basically, what you do is multiply 4 times 5 ( this only applies when the numbers are in tens so like 10,20,30,40, etc.)

then after this you add the zeros of both numbers.

Step-by-step explanation:

so, this would be 2000

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