题目内容
30×
=______,由此可写出两道除法算式______,______.根据比的意思可得:______:______=30;?______:______=
.
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30×
=12,由此可写出两道除法算式:12÷
=30,12÷30=
;
根据比的意思可得:12:
=30;12:30=
;
故答案为:12,12÷
=30,12÷30=
,12,
,12,30.
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| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
根据比的意思可得:12:
| 2 |
| 5 |
| 2 |
| 5 |
故答案为:12,12÷
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| 5 |
| 2 |
| 5 |
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| 5 |
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