Đáp án:
`17/5 .(-31)/125 . 1/2 . 10/17 .(-1/2)^3=31/1000``
Giải thích các bước giải:
`17/5 .(-31)/125 . 1/2 . 10/17 .(-1/2)^3`
`=17/5 .(-31)/125 . 1/2 . 10/17 .(-1)/8`
`=(17.(-31).1.10.(-1))/(5.125.2.17.8)`
`=(17.31.1.2.5.1)/(5.5.5.5.2.17.2.2.2)`
`=(31.1.1)/(5.5.5.2.2.2)`
`=31/1000`