题目内容
化简下面各比.
0.23:0.92
:
1.25:
.
0.23:0.92
| 4 |
| 9 |
| 1 |
| 4 |
1.25:
| 1 |
| 4 |
0.23:0.92
=(0.23×100):(0.92×100)
=(23÷23):(92÷23)
=1:4
:
=(
×36)):(
×36)
=16:9
1.25:
=(1.25×4):(
×4)
=5:1.
=(0.23×100):(0.92×100)
=(23÷23):(92÷23)
=1:4
| 4 |
| 9 |
| 1 |
| 4 |
=(
| 4 |
| 9 |
| 1 |
| 4 |
=16:9
1.25:
| 1 |
| 4 |
=(1.25×4):(
| 1 |
| 4 |
=5:1.
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