题目内容
计算:
(1)-4-28-(-19)+(-24),
(2)-11×2-(-30)÷(-10),
(3)1-(
+
-
)×(-60),
(4)4
×[-32×(-
)2-0.8]÷(-5
).
(1)-4-28-(-19)+(-24),
(2)-11×2-(-30)÷(-10),
(3)1-(
| 3 |
| 4 |
| 7 |
| 12 |
| 7 |
| 6 |
(4)4
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
(1)原式=-4-28+19-24-------------------------------------------2
=-37-------------------------------------------4
(2)原式=-22-3-------------------------------------------2
=-25-------------------------------------------4
(3)原式=1+10-------------------------------------------2
=11-------------------------------------------4
(4)原式=4
×(-9×
-0.8)÷(-5
)--------------------------1
=
×(-
)×(-
)-------------------------------------------2
=
-------------------------------------------4
=-37-------------------------------------------4
(2)原式=-22-3-------------------------------------------2
=-25-------------------------------------------4
(3)原式=1+10-------------------------------------------2
=11-------------------------------------------4
(4)原式=4
| 1 |
| 2 |
| 1 |
| 9 |
| 1 |
| 4 |
=
| 9 |
| 2 |
| 9 |
| 5 |
| 4 |
| 21 |
=
| 54 |
| 35 |
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