题目内容
9
÷1
+5.46÷2
×(4.875-2
).
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 5 |
| 7 |
| 8 |
9
÷1
+5.46÷2
×(4.875-2
),
=9
÷1
+5
÷2
×2,
=
×
+
×
×2,
=
+
×2,
=
+
,
=10.
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 5 |
| 7 |
| 8 |
=9
| 2 |
| 3 |
| 2 |
| 3 |
| 23 |
| 50 |
| 3 |
| 5 |
=
| 29 |
| 3 |
| 3 |
| 5 |
| 273 |
| 50 |
| 5 |
| 13 |
=
| 29 |
| 5 |
| 21 |
| 10 |
=
| 29 |
| 5 |
| 21 |
| 5 |
=10.
练习册系列答案
相关题目