题目内容
计算:
(1)(-2)2+32×(-
)-
÷(-
);
(2)(-1)2003+(-32)×|-
|-42÷(-2)4.
(1)(-2)2+32×(-
| 2 |
| 9 |
| 3 |
| 5 |
| 9 |
| 25 |
(2)(-1)2003+(-32)×|-
| 2 |
| 9 |
(1)原式=4+9×(-
)+
×
=4-2+
=
;
(2)原式=-1-9×
-16÷16
=-1-2-1
=-4.
| 2 |
| 9 |
| 3 |
| 5 |
| 25 |
| 9 |
=4-2+
| 5 |
| 3 |
=
| 11 |
| 3 |
(2)原式=-1-9×
| 2 |
| 9 |
=-1-2-1
=-4.
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