题目内容
7÷2.5=
=8:______=______%;
千米=______米.
| () |
| 35 |
| 3 |
| 40 |
根据商不变的性质:7÷2.5=(7×14)÷(2.5×14)=98÷35=
,
7÷2.5=(7×
)÷(2.5×
)=8÷
=8:
,
7÷2.5=2.8=280%,
千米=
×1000=75米,
故答案为:98,
,280,75.
| 98 |
| 35 |
7÷2.5=(7×
| 8 |
| 7 |
| 8 |
| 7 |
| 20 |
| 7 |
| 20 |
| 7 |
7÷2.5=2.8=280%,
| 3 |
| 40 |
| 3 |
| 40 |
故答案为:98,
| 20 |
| 7 |
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