题目内容
0.4×4.7×2.5+(2
+5.3).
| 1 |
| 3 |
0.4×4.7×2.5+(2
+5.3)
=0.4×2.5×4.7+(2
+5.3),
=1×4.7+
,
=4.7+
,
=12
.
| 1 |
| 3 |
=0.4×2.5×4.7+(2
| 1 |
| 3 |
=1×4.7+
| 229 |
| 30 |
=4.7+
| 229 |
| 30 |
=12
| 1 |
| 3 |
练习册系列答案
相关题目
题目内容
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 229 |
| 30 |
| 229 |
| 30 |
| 1 |
| 3 |