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When to use mental math?

2 Answers

3 votes
simple. you use mental math when it's necessary.
User Lukas Vrabel
by
6.6k points
5 votes
You can use mental math, when trying to break down big numbers, adding or subtracting numbers, or multiplying and dividing numbers

Hope this helped!!!
User Patryk Czachurski
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7.0k points
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