(-3.2).-15/64+(0.8-2và4/5):3và2/3 Có hỗn số nha 02/11/2021 Bởi Ariana (-3.2).-15/64+(0.8-2và4/5):3và2/3 Có hỗn số nha
$(-3.2).\frac{-15}{64}+(0,8-2\frac{4}{5}):3\frac{2}{3}$ $= -6.\frac{-15}{64}+(\frac{4}{5}-\frac{14}{5}):\frac{11}{3}$ $=\frac{45}{32}-2.\frac{3}{11}$ $=\frac{45}{32}-\frac{6}{11}$ $=\frac{303}{352}$ Bình luận
`(-3*2)*-15/64+(0,8-2 4/5):3 2/3`
`=45/32-2*3/11`
`=45/32 -6/11`
`=303/352`
$(-3.2).\frac{-15}{64}+(0,8-2\frac{4}{5}):3\frac{2}{3}$
$= -6.\frac{-15}{64}+(\frac{4}{5}-\frac{14}{5}):\frac{11}{3}$
$=\frac{45}{32}-2.\frac{3}{11}$
$=\frac{45}{32}-\frac{6}{11}$
$=\frac{303}{352}$