The Math Dude Quick and Dirty Tips to Make Math Easier

161 TMD How to Subtract Quickly

Jul 11, 2013 · 7 min · Episode 161 · 7.7 MB

0:00-7:59

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Quick, what’s 212 - 22? If that’s too easy for you, how about something tougher like 212 - 77? Want to learn an easy way to perform lightning fast subtraction in your head? Keep on listening to find out!

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