题目内容
| 化简比. 100:25 |
| ||||
| 1.25:3. |
100:25,
=(10÷25):(25÷25),
=4:1;
:0.35,
=0.7:0.35,
=(0.7÷0.35):(0.35÷0.35(,
=2:1;
:
,
=(
×51):(
×51),
=5:3;
1.25:3,
=(1.25×100):(3×100),
=125:300,
=(125÷25):(300÷25),
=5:12.
=(10÷25):(25÷25),
=4:1;
| 7 |
| 10 |
=0.7:0.35,
=(0.7÷0.35):(0.35÷0.35(,
=2:1;
| 5 |
| 51 |
| 1 |
| 17 |
=(
| 5 |
| 51 |
| 1 |
| 17 |
=5:3;
1.25:3,
=(1.25×100):(3×100),
=125:300,
=(125÷25):(300÷25),
=5:12.
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