题目内容
化简比.
7
:0.24
12.6:0.4
:1
.
7
| 1 |
| 5 |
12.6:0.4
| 1 |
| 20 |
| 1 |
| 5 |
7
:0.24=
:0.24=
:
=
:
=(
×25):(
×25)=180:6=(180÷6):(6÷6)=30:1
12.6:0.4=(12.6×10):(0.4×10)=126:4=(126÷2):(4÷2)=63:2
:1
=
:
=(
×20):(
×20)=1:24
| 1 |
| 5 |
| 36 |
| 5 |
| 36 |
| 5 |
| 24 |
| 100 |
| 36 |
| 5 |
| 6 |
| 25 |
| 36 |
| 5 |
| 6 |
| 25 |
12.6:0.4=(12.6×10):(0.4×10)=126:4=(126÷2):(4÷2)=63:2
| 1 |
| 20 |
| 1 |
| 5 |
| 1 |
| 20 |
| 6 |
| 5 |
| 1 |
| 20 |
| 6 |
| 5 |
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