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31-08-2017
Mathematics

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(a/20)+(4/15)=(9/15)

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maxchayanonovjre7 maxchayanonovjre7

31-08-2017

(a/20)+(4/15)=(9/15)
a/20 = (9/15)-(4/15)
a/20 =5/15
a/20 =1/3
a=20/3

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