Question

Tính nhanh:

-3,425 + (-5,277 + 0,25) - (-12,425 + 4,23)

Answer 1

\(=-3.425-5.277+0.25+12.425-4.23\)

\(=9+0.25-9.507=-0.257\)

Answer 2

`-3,425 + (-5,277 + 0,25) - (-12,425 + 4,23)`

`=-3,425 -5,277 + 0,25 +12,425 -4,23`

`=(-3,425 + 0,25+12,425 )-5,277 -4,23`

`=9,223+5,227-4,23`

`=14,45-4,23`

`=10,22`

Answer 3

0.257