题目内容
计算:
(1)-4+7+|-1|;
(2)
÷
-
×(-6)2.
(1)-4+7+|-1|;
(2)
5 |
3 |
5 |
6 |
1 |
3 |
(1)原式=-4+7+1
=4;
(2)原式=
×
-
×36
=2-12
=-10.
=4;
(2)原式=
5 |
3 |
6 |
5 |
1 |
3 |
=2-12
=-10.
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3 |
5 |
3 |
6 |
5 |
1 |
3 |