$ frac{-15}{64}$ .(-3,2) + (80% - 2$ frac{1}{5}$) : |-3$ frac{1}{2}$|

Question

lanngoc · Answer

Đ&aacute;p &aacute;n:    =15.0,1.32/64+(8/10-11/5).2/7;   =15/10.1/2+14/10.2/7;   =3/4+2/5;   =23/20.   Giải th&iacute;ch c&aacute;c bước giải:

tonhu · Answer

`(-15)/64.(-3,2)+(80%-2 1/5):|-3 1/2|`   `= 0,75 + (0,8 - 2,2):|-7/2|`   `= 0,75 + (-1,4) : 7/2`   `= 0,75 + (-1,4) . 2/7`   `= 0,75 + (-0,4) = 0,35`

$\frac{-15}{64}$ .(-3,2) + (80% – 2$\frac{1}{5}$) : |-3$\frac{1}{2}$|