题目内容
计算:
(1)4-3×(-1)
(2)-32×2-24÷(-
)
(3)
+(
+
)
(4)(-24)×(
-
+
)+(-22)
(1)4-3×(-1)
(2)-32×2-24÷(-
| 8 |
| 3 |
(3)
| 25 |
| 3 | -
| ||
| 1 |
| 3 |
(4)(-24)×(
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
(1)原式=4+3
=7;
(2)原式=-9×2+24×
=-18+9
=-9;
(3)原式=5-
+
=5;
(4)原式=-3+8-6-4
=-5.
=7;
(2)原式=-9×2+24×
| 3 |
| 8 |
=-18+9
=-9;
(3)原式=5-
| 1 |
| 3 |
| 1 |
| 3 |
=5;
(4)原式=-3+8-6-4
=-5.
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