题目内容
2.35×4
+(2
-0.25)÷1
.
| 1 |
| 2 |
| 3 |
| 5 |
| 1 |
| 2 |
2.35×4
+(2
-0.25)÷1
,
=2.35×4
+2.35×
,
=2.35×(4
+
),
=2.35×5
,
=
.
| 1 |
| 2 |
| 3 |
| 5 |
| 1 |
| 2 |
=2.35×4
| 1 |
| 2 |
| 2 |
| 3 |
=2.35×(4
| 1 |
| 2 |
| 2 |
| 3 |
=2.35×5
| 1 |
| 6 |
=
| 1457 |
| 120 |
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