题目内容
计算题:
(1)(1-
+
)×(-48);
(2)-1 2-(-10)÷
×2+(-4)3;
(3)(-3)2×[-
+(-
)]
(4)-14+(-3)×[(-4)2+2]-(-2)3÷4.
(1)(1-
| 1 |
| 6 |
| 3 |
| 4 |
(2)-1 2-(-10)÷
| 1 |
| 2 |
(3)(-3)2×[-
| 2 |
| 3 |
| 5 |
| 9 |
(4)-14+(-3)×[(-4)2+2]-(-2)3÷4.
(1)原式=-48+8-36
=-76;
(2)原式=-1+10×2×2-64
=-25;
(3)原式=9×(-
-
)
=-6-5
=-11;
(4)原式=-1-3×18-(-8)÷4
=-1-54+2
=-53.
=-76;
(2)原式=-1+10×2×2-64
=-25;
(3)原式=9×(-
| 2 |
| 3 |
| 5 |
| 9 |
=-6-5
=-11;
(4)原式=-1-3×18-(-8)÷4
=-1-54+2
=-53.
练习册系列答案
相关题目