题目内容
用15,
,
和a这四个数组成比例,a最大是______,最小是______.
| 1 |
| 3 |
| 3 |
| 5 |
15×
÷
,
=27;
×
÷15,
=
÷15,
=
;
a最大是27,最小是
;
故填:27、
.
| 3 |
| 5 |
| 1 |
| 3 |
=27;
| 3 |
| 5 |
| 1 |
| 3 |
=
| 1 |
| 5 |
=
| 1 |
| 75 |
a最大是27,最小是
| 1 |
| 75 |
故填:27、
| 1 |
| 75 |
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