Article 4GYDN Do Math in Your Head With These Mental Math Tricks

Do Math in Your Head With These Mental Math Tricks

by
Nick Douglas
from Lifehacker on (#4GYDN)
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You probably haven't had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you've forgotten how to do any math beyond your basic multiplication tables. Here are some shortcuts that will help you do more math in your head.

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