问题
解答题
计算 (1)-3+(-3)-(-6) (2)3×(-
(3)-22+3×(-1)3-(-4)×5 (4)-1-[2-(1-
|
答案
(1)-3+(-3)-(-6)
=-6+6
=0;
(2)3×(-
)÷4 5 9 10
=-3×
×4 5 10 9
=-2
;2 3
(3)-22+3×(-1)3-(-4)×5
=-4+3×(-1)+20
=-4-3+20
=13
(4)-1-[2-(1-
×0.5)]×[32-(-2)2]1 3
=-1-[2-(1-
)]×[9-4]1 6
=-1-[2-
]×55 6
=-1-
×57 6
=-1-55 6
=-6
.5 6