题目内容
(1)(-7)-(-8)
(2)5.6-7+3.4
(3)12×(
-
-
)
(4)-32×(-
)-24÷(-
)
(2)5.6-7+3.4
(3)12×(
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 2 |
(4)-32×(-
| 1 |
| 3 |
| 1 |
| 2 |
(1)原式=(-7)+8
=1;
(2)原式=5.6+3.4-7
=9-7
=2;
(3)原式=12×
-12×
-12×
=3-8-6
=-11;
(4)原式=-9×(-
)-16÷(-
)
=3+32
=35.
=1;
(2)原式=5.6+3.4-7
=9-7
=2;
(3)原式=12×
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 2 |
=3-8-6
=-11;
(4)原式=-9×(-
| 1 |
| 3 |
| 1 |
| 2 |
=3+32
=35.
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