问题
解答题
计算题 (1)1+
(2)-1100-(1-0.5)÷3×[3-(-3)2]. |
答案
(1)原式=
4 |
4 |
1 |
4 |
2 |
4 |
=
3 |
4 |
(2)原式=-1-
1 |
2 |
=-1-
1 |
2 |
1 |
3 |
=-1+1
=0.
计算题 (1)1+
(2)-1100-(1-0.5)÷3×[3-(-3)2]. |
(1)原式=
4 |
4 |
1 |
4 |
2 |
4 |
=
3 |
4 |
(2)原式=-1-
1 |
2 |
=-1-
1 |
2 |
1 |
3 |
=-1+1
=0.