题目
题型:解答题难度:一般来源:不详
(1)-22+(-2)3×5-(-0.28)÷(-2)2
(2)-22-(1-
1 |
5 |
答案
=-4-40+0.7
=-43.3;
(2)原式=-4-
24 |
25 |
=-4+
3 |
25 |
=-
97 |
25 |
核心考点
举一反三
(1)(+3)+(-2)
(2)(-4)-1
(3)-5×3
(4)(-
1 |
2 |
(5)-
2 |
3 |
(1)-
2 |
3 |
4 |
5 |
1 |
5 |
1 |
3 |
(2)8×(-
3 |
4 |
(3)-14-2×(-3)2÷6
(4)5+18÷(
3 |
2 |
4 |
3 |
(5)-9÷3+(
1 |
2 |
2 |
3 |
(6)-42×[(1-7)÷6]3+[(-5)3-3]÷(-2)2.