7/8 : ( 2/9 – 1/18 ) + 7/8 ( 1/36 – 5/12) 11/08/2021 Bởi Bella 7/8 : ( 2/9 – 1/18 ) + 7/8 ( 1/36 – 5/12)
$\frac{7}{8}$:($\frac{2}{9}$-$\frac{1}{18}$)+$\frac{7}{8}$.($\frac{1}{36}$-$\frac{5}{12}$) = $\frac{7}{8}$:$\frac{1}{6}$+ $\frac{7}{8}$. $\frac{-7}{18}$ =$\frac{7}{8}$.(6+$\frac{-7}{18}$) =$\frac{7}{8}$.$\frac{101}{18}$ =$\frac{707}{144}$ học tốt!!! Bình luận
$\dfrac{7}{8}$ $:$ $(\dfrac{2}{9}-\dfrac{1}{18})$ $+$ $\dfrac{7}{8}$ $.$ $(\dfrac{1}{36}-\dfrac{5}{12})$ $=$ $\dfrac{7}{8}$ $:$ $(\dfrac{4}{18}-\dfrac{1}{18})$ $+$ $\dfrac{7}{8}$ $.$ $(\dfrac{1}{36}-\dfrac{15}{36})$ $=$ $\dfrac{7}{8}$ $:$ $\dfrac{3}{18}$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-14)}{36}$ $=$ $\dfrac{7}{8}$ $:$ $\dfrac{1}{6}$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-7)}{18}$ $=$ $\dfrac{7}{8}$ $.$ $6$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-7)}{18}$ $=$ $\dfrac{7}{8}$ $.$ $(6 + $ $\dfrac{-7}{18})$ $=$ $\dfrac{7}{8}$ $.$ $(\dfrac{108}{18}+\dfrac{(-7)}{18})$ $=$ $\dfrac{7}{8}$ $.$ $\dfrac{101}{18}$ $=$ $\dfrac{707}{144}$ Bình luận
$\frac{7}{8}$:($\frac{2}{9}$-$\frac{1}{18}$)+$\frac{7}{8}$.($\frac{1}{36}$-$\frac{5}{12}$)
= $\frac{7}{8}$:$\frac{1}{6}$+ $\frac{7}{8}$. $\frac{-7}{18}$
=$\frac{7}{8}$.(6+$\frac{-7}{18}$)
=$\frac{7}{8}$.$\frac{101}{18}$
=$\frac{707}{144}$
học tốt!!!
$\dfrac{7}{8}$ $:$ $(\dfrac{2}{9}-\dfrac{1}{18})$ $+$ $\dfrac{7}{8}$ $.$ $(\dfrac{1}{36}-\dfrac{5}{12})$
$=$ $\dfrac{7}{8}$ $:$ $(\dfrac{4}{18}-\dfrac{1}{18})$ $+$ $\dfrac{7}{8}$ $.$ $(\dfrac{1}{36}-\dfrac{15}{36})$
$=$ $\dfrac{7}{8}$ $:$ $\dfrac{3}{18}$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-14)}{36}$
$=$ $\dfrac{7}{8}$ $:$ $\dfrac{1}{6}$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-7)}{18}$
$=$ $\dfrac{7}{8}$ $.$ $6$ $+$ $\dfrac{7}{8}$ $.$ $\dfrac{(-7)}{18}$
$=$ $\dfrac{7}{8}$ $.$ $(6 + $ $\dfrac{-7}{18})$
$=$ $\dfrac{7}{8}$ $.$ $(\dfrac{108}{18}+\dfrac{(-7)}{18})$
$=$ $\dfrac{7}{8}$ $.$ $\dfrac{101}{18}$
$=$ $\dfrac{707}{144}$