问题
解答题
计算: (1)(-3)2-(-1)3-(-2); (2)-22×3×(-
|
答案
(1)原式=9-(-1)+2
=11+1
=12;
(2)原式=-4×3×(-
)×3 2
-4×3 2 9 4
=27-9
=18.
计算: (1)(-3)2-(-1)3-(-2); (2)-22×3×(-
|
(1)原式=9-(-1)+2
=11+1
=12;
(2)原式=-4×3×(-
)×3 2
-4×3 2 9 4
=27-9
=18.