题目内容
| a |
| b |
| () |
| () |
因为:
=1.4,
即:
=
,a=7,b=5,
①(7-5)÷7,
=
;
②(7-5)÷5,
=
,
=40%;
故答案为:
,40.
| a |
| b |
即:
| a |
| b |
| 7 |
| 5 |
①(7-5)÷7,
=
| 2 |
| 7 |
②(7-5)÷5,
=
| 2 |
| 5 |
=40%;
故答案为:
| 2 |
| 7 |
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题目内容
| a |
| b |
| () |
| () |
| a |
| b |
| a |
| b |
| 7 |
| 5 |
| 2 |
| 7 |
| 2 |
| 5 |
| 2 |
| 7 |