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How do you do mental math?

Updated: 4/28/2022
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Wiki User

13y ago

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need help on math no problem!ok the first thing you are going to need to know is to round so lets say 10000+50 take away all the zeroes on both numbers and now you add 1=5 you get 6 then you bring back the zeroes you took away and put them in the end of the six

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Wiki User

13y ago
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Q: How do you do mental math?
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