wow
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It’s not entirely your fault if you’re terrible at math — maybe you just didn’t know the tricks to make any math problem a piece of cake. Well, now you will because Bright Side is bringing you a list of simple math tricks.
wow
Sorry, this IS NOT new. I have been doing this IN MY HEAD, without the use of paper and pencil/pen - for probably 60 to 65 years. And that was way before someone came up with this NEW method.
arithmatic
amazing!
Doesn't work on every number