1/5 = 1/7 + 1/42 + ____

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1/5 = 1/7 + 1/42 + _____

A1/15

B1/30

C1/45

D1/20

Answer:

1/5 = 1/7 + 1/42 + _____ 1/5 = 6/42 + 1/42 + _____ 1/5 = 7/42 + _____ 1/5 = 1/6 + _____ 1/5 - 1/6 = 1/30

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Find:

$\frac{3}{4}+[\frac{3}{4}+\frac{3}{4}\div{(\frac{3}{4}+\frac{3}{4})}]=?$