问题
解答题
计算: (1)8×(-
(2)-32÷3+(
|
答案
(1)8×(-
)×(-0.25)×(-5 3
)6 5
=[8×(-0.25)]×[(-
)×(-5 3
)]6 5
=-2×2
=-4;
(2)-32÷3+(
-1 2
)×12-(-1)20122 3
=-9÷3+(6-8)-1
=-3+(-2)-1
=-6.
计算: (1)8×(-
(2)-32÷3+(
|
(1)8×(-
)×(-0.25)×(-5 3
)6 5
=[8×(-0.25)]×[(-
)×(-5 3
)]6 5
=-2×2
=-4;
(2)-32÷3+(
-1 2
)×12-(-1)20122 3
=-9÷3+(6-8)-1
=-3+(-2)-1
=-6.