问题
解答题
计算下列各题(细心算对哟) (1)
(2)
(3)(
(4)[-(2
|
答案
(1)原式=2
3 |
| ||
2 |
| ||
3 |
2 |
5
| ||
3 |
5
| ||
2 |
(2)原式=3
2 |
2 |
1 |
2 |
(3)原式=-12+2
2 |
3 |
(4)原式=(-8-1)×(-
1 |
0.09 |
9 |
10 |
1 |
3 |
4 |
9 |
=9×
1 |
9 |
=1.
计算下列各题(细心算对哟) (1)
(2)
(3)(
(4)[-(2
|
(1)原式=2
3 |
| ||
2 |
| ||
3 |
2 |
5
| ||
3 |
5
| ||
2 |
(2)原式=3
2 |
2 |
1 |
2 |
(3)原式=-12+2
2 |
3 |
(4)原式=(-8-1)×(-
1 |
0.09 |
9 |
10 |
1 |
3 |
4 |
9 |
=9×
1 |
9 |
=1.