Question

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Answer 1

Răspuns:

$[(\frac{2}{3} )^{2} -\frac{1}{12}]:1\frac{4}{9} - (\frac{1}{2})^{3} =$

$= [\frac{4}{9}} -\frac{1}{12}]:\frac{13}{9} - \frac{1}{8} =$

$= [\frac{16}{36}} -\frac{3}{36}]*\frac{9}{13} - \frac{1}{8} =$

$= \frac{13}{36}*\frac{9}{13} - \frac{1}{8} =$

$= \frac{1}{4} - \frac{1}{8} =$

$= \frac{2}{8} - \frac{1}{8} =$

$= \frac{1}{8}$

Answer 2

4/6-1/12= 8-1 / 12 = 9/12 =3/4
3/4 : 13/9 -1/8 = 27/52 -1/8= 41/104