Math tricks you weren't taught in school
Math tricks you weren't taught in school
Anonim

If you're not doing as well with math as you'd like, here are some great math tricks that make a lot of calculations trivial. You can easily count a lot in your head using these brilliant secrets of mathematics.

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How to quickly learn the multiplication table of 9

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Butterfly method for adding and subtracting fractions:

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Multiplication by 11 (for example, the number 32):

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How to remember pi:

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Multiplication table 6, 7, 8, 9 on the hands:

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Multiplying large numbers in your mind:

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How to find the percentage of a number:

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How to find a fraction of an integer:

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How to convert Fahrenheit to Celsius:

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