6/7 + 5/8 : 5 - 3/16 . (-2)2
= 6/7 + 1/8 - 3/4
= 55/56 - 3/4
= 13/56
nhớ ủng hộ mik nha các bn
\(\frac{6}{7}+\frac{5}{8}:5-\frac{3}{16}.\left(-2\right)^2\)
\(=\frac{6}{7}+\frac{5}{8}.\frac{1}{5}-\frac{3}{16}.4\)
\(=\frac{6}{7}+\frac{1}{8}-\frac{3}{4}\)
\(=\frac{96}{112}+\frac{14}{112}-\frac{84}{112}\)
\(=\frac{13}{56}\)