题目内容
计算
(1)-16-(-
)2×
+6÷|-
|3
(2)-16-(0.5-
)÷
×[-2-(-3)3]-|
-0.52|
(3)(-1)2008+(-5)×[(-2)3+2]-(-4)2÷(-
)
(4)[-38-(-1)7+(-3)8]×[-1
+3
×(-10
)-53].
(1)-16-(-
| 3 |
| 2 |
| 2 |
| 9 |
| 2 |
| 3 |
(2)-16-(0.5-
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 8 |
(3)(-1)2008+(-5)×[(-2)3+2]-(-4)2÷(-
| 1 |
| 2 |
(4)[-38-(-1)7+(-3)8]×[-1
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 2 |
(1)原式=-1-
×
+6×
=-1-
+
=
;
(2)原式=-1-(
-
)×3×(-2-27)-(
-
)=-1-(-
)×(-29)+
=-
+
=-
;
(3)原式=1-5×(8+2)-16×(-2)=1-50+32=-17;
(4)原式=1×[-
+
×(-
)-125]=-
-
-
=-
.
| 9 |
| 4 |
| 2 |
| 9 |
| 27 |
| 8 |
| 1 |
| 2 |
| 81 |
| 4 |
| 75 |
| 4 |
(2)原式=-1-(
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 8 |
| 35 |
| 6 |
| 1 |
| 8 |
| 137 |
| 24 |
(3)原式=1-5×(8+2)-16×(-2)=1-50+32=-17;
(4)原式=1×[-
| 7 |
| 4 |
| 7 |
| 2 |
| 21 |
| 2 |
| 7 |
| 4 |
| 147 |
| 4 |
| 500 |
| 4 |
| 654 |
| 4 |
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