题目内容
计算题:
(1)-12006-[5×(-2)-(-2)];
(2)(
-
)÷(-
)-(3-9)2×|
-
|;
(1)-12006-[5×(-2)-(-2)];
(2)(
| 1 |
| 3 |
| 3 |
| 7 |
| 1 |
| 42 |
| 1 |
| 3 |
| 1 |
| 2 |
(1)原式=-1-[-10+2]=-1-(-8)=-1+8=7.
(2)原式=
×(-42)-
×(-42)-36×
=-14+18-6=-2.
(2)原式=
| 1 |
| 3 |
| 3 |
| 7 |
| 1 |
| 6 |
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