题目内容
| ( ) |
| 15 |
八折=
,
=
=
,
=4:5=(4×5):(5×5)=20:25,
=4÷5=(4×9)÷(5×9)=36÷45,
=0.8=80%.
故答案为:12、25、36、80.
| 4 |
| 5 |
| 4 |
| 5 |
| 4×3 |
| 5×3 |
| 12 |
| 15 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
故答案为:12、25、36、80.
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题目内容
| ( ) |
| 15 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4×3 |
| 5×3 |
| 12 |
| 15 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |