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The Best Maths Hack Ever (12 pics)
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Pics
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13 Mar, 2019 |
Views: 4916
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+36
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№1
Author:
OldOllie
(13 Mar 2019 07:16) Total user comments:
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In any story problem, "of" simply means to multiply. Since multiplication is commutative,
a ✕ b = b ✕ a. % just means divide by 100, which can be done to either term or to the answer and gives the same result.
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№2
Author:
SirLaughALot
(13 Mar 2019 22:33) Total user comments:
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While it is basic maths, the real-world applications are interesting and often not explained in school.
We can all do percentages but to use this "hack" simplifies grocery shopping, haggling etc.
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