题目内容
计算:
(1)9+(-
)-4-(-0.2);
(2)
+
-|-3|;
(3)(-24)×(
-
+
);
(4)-32×(-
)2-(-2)3÷(-
)2.
(1)9+(-
1 |
5 |
(2)
3 | -8 |
|
(3)(-24)×(
1 |
2 |
1 |
3 |
5 |
12 |
(4)-32×(-
1 |
3 |
1 |
2 |
(1)原式=5;
(2)原式=-2+
-3=-3
;
(3)原式=-24×
+24×
-24×
=-12+8-10=-14;
(4)原式=-9×
+8×4=31.
(2)原式=-2+
4 |
3 |
2 |
3 |
(3)原式=-24×
1 |
2 |
1 |
3 |
5 |
12 |
(4)原式=-9×
1 |
9 |
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