题目内容
计算:
(1)(-10)3+[(-4)2-(1-32)×2];
(2)-24×(
+1
-0.75);
(3)7.6×15
+7.6×3
-7.6×8
.
(1)(-10)3+[(-4)2-(1-32)×2];
(2)-24×(
| 1 |
| 6 |
| 1 |
| 3 |
(3)7.6×15
| 7 |
| 13 |
| 2 |
| 13 |
| 9 |
| 13 |
(1)原式=-1000+[16-(1-9)×2]
=-1000+16+16
=-968;
(2)原式=-4-32+18=-18;
(3)原式=7.6(15
+3
-8
)
=7.6×10
=76.
=-1000+16+16
=-968;
(2)原式=-4-32+18=-18;
(3)原式=7.6(15
| 7 |
| 13 |
| 2 |
| 13 |
| 9 |
| 13 |
=7.6×10
=76.
练习册系列答案
相关题目