问题
解答题
(1)(-
(2)(-999
(3)12÷(-6)×
(4)-32-|(-5)3|×(-
(5)-14-(1-0.5)×
(6)-53÷(-52)-(-8)2÷(-22) |
答案
(1)原式=-
1 |
12 |
7 |
12 |
1 |
12 |
12 |
7 |
1 |
7 |
(2)原式=(-1000+
1 |
25 |
(3)原式=12×(-
1 |
6 |
1 |
6 |
1 |
3 |
(4)原式=-9-125×
4 |
25 |
(5)原式=-1-
1 |
2 |
2 |
3 |
1 |
3 |
32 |
33 |
(6)原式=-125÷(-25)-64÷(-4)=5+16=21.