СРОЧНО помогите (3/4+1/6):3+(5/6-1/2):9 (3/4-5/12)*3-1/16:1/8. Created by Печенько213. matematika-ru

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VekaSolnce $( \frac{3}{4}+ \frac{1}{6} ):3+( \frac{5}{6} - \frac{1}{2} ):9= ( \frac{9}{12}+ \frac{2}{12} ):3+( \frac{5}{6} - \frac{3}{6} ):9=$
$= \frac{11}{12}:3+\frac{2}{6} :9= \frac{11}{36} + \frac{1}{27} = \frac{33}{108} + \frac{4}{108}= \frac{37}{108}$

$( \frac{3}{4} - \frac{5}{12} )*3- \frac{1}{16}: \frac{1}{8} =( \frac{9}{12} - \frac{5}{12} )*3- \frac{1}{16}*\frac{8}{1}= \frac{4}{12}*3- \frac{1}{2} =1- \frac{1}{2}= \frac{1}{2}$

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