题目内容
计算:
(1)(
-
+
)×(-24);
(2)|-2|×(-1)2013-3÷
×2;
(3)-12-(1-0.5)×
×[2-(-3)]2;
(4)7×(-36)×(-
)×
.
(1)(
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 6 |
(2)|-2|×(-1)2013-3÷
| 1 |
| 2 |
(3)-12-(1-0.5)×
| 1 |
| 3 |
(4)7×(-36)×(-
| 8 |
| 7 |
| 1 |
| 6 |
(1)原式=-3+8-4=1;
(2)原式=2×(-1)-3×2×2=-2-12=-14;
(3)原式=-1-
×
×(2-9)=-1+
=
;
(4)原式=48.
(2)原式=2×(-1)-3×2×2=-2-12=-14;
(3)原式=-1-
| 1 |
| 2 |
| 1 |
| 3 |
| 7 |
| 6 |
| 1 |
| 6 |
(4)原式=48.
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