题目内容
| 计算:(1)-32-(-17)-|-23| | (2)4×(-5 )-12÷(-6 ) | (3)(
|
(4)-14+(1+0.5)×
|
(1)原式=-32+17-23
=-55+17
=-38;
(2)原式=-20+2=-18;
(3)原式=9+8-12=5;
(4)原式=-1-
×
×
=-1+
=-
.
=-55+17
=-38;
(2)原式=-20+2=-18;
(3)原式=9+8-12=5;
(4)原式=-1-
| 3 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
=-1+
| 1 |
| 8 |
=-
| 7 |
| 8 |
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