题目内容
65×
+35×
=(65+35)×(
+
)=100×1=100.______.
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 7 |
| 5 |
| 7 |
65×
+35×
,
=
+
,
=
;
≠100;
故答案为:错误.
| 2 |
| 7 |
| 5 |
| 7 |
=
| 130 |
| 7 |
| 175 |
| 7 |
=
| 305 |
| 7 |
| 305 |
| 7 |
故答案为:错误.
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题目内容
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 7 |
| 5 |
| 7 |
| 130 |
| 7 |
| 175 |
| 7 |
| 305 |
| 7 |
| 305 |
| 7 |