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Math

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Anonymous
Math 2017-07-08 01:31:12 Post No. 18495063
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Math Anonymous 2017-07-08 01:31:12 Post No. 18495063 [Report]
How do I increase my math skills? People ask me questions about it like "how much is this item if it's x% off. Or like just even basic math like what's this minus that. I want to be able to do math in my head without calculators. Where do I begin? I'm 22
>>
Anonymous 2017-07-08 02:25:34 Post No.18495218
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Anonymous 2017-07-08 02:25:34 Post No.18495218 [Report]
https://www.khanacademy.org/math
>>18495063
>Or like just even basic math like what's this minus that. I want to be able to do math in my head without calculators.
Practice
Also, tricks
https://www.youtube.com/results?q=subtraction+tricks
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