题目内容
(5.87+1
+2.13+
)×(2
-1.75)+(1÷
-3.5)×3.99.
| 5 |
| 14 |
| 9 |
| 14 |
| 3 |
| 4 |
| 2 |
| 7 |
(5.87+1
+2.13+
)×(2
-1.75)+(1÷
-3.5)×3.99,
=[(5.87+2.13)+(1
+
)]×(2.75-1.75)+(
-3.5)×3.99,
=[8+2]×1+(3.5-3.5)×3.99,
=10×1+0,
=10.
| 5 |
| 14 |
| 9 |
| 14 |
| 3 |
| 4 |
| 2 |
| 7 |
=[(5.87+2.13)+(1
| 5 |
| 14 |
| 9 |
| 14 |
| 7 |
| 2 |
=[8+2]×1+(3.5-3.5)×3.99,
=10×1+0,
=10.
练习册系列答案
相关题目