题目内容
| 求比值并化简比 0.25:0.75 | 7.85:1.25. |
0.25:0.75
=0.25÷0.75
=
0.25:0.75
=(0.25×4):(0.75×4)
=1:3
7.85:1.25
=7.85÷1.25
=
7.85:1.25
=(7.85×20):(1.25×20)
=157:25.
=0.25÷0.75
=
| 1 |
| 3 |
0.25:0.75
=(0.25×4):(0.75×4)
=1:3
7.85:1.25
=7.85÷1.25
=
| 157 |
| 25 |
7.85:1.25
=(7.85×20):(1.25×20)
=157:25.
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