题目内容
| 化简比. 63:27 |
| ||||
| 0.63:0.07 |
|
63:27,
=(63÷9):(27÷9),
=7:3,
:
,
=(
×
):(
×
),
=1:2;
0.63:0.07,
=(0.63×100):(0.07×100),
=63:7,
=(63÷7):(7÷7),
=9:1;
千米:240米,
=600米:240米,
=600:240,
=(600÷120):(240÷120),
=5:2.
=(63÷9):(27÷9),
=7:3,
| 3 |
| 8 |
| 3 |
| 4 |
=(
| 3 |
| 8 |
| 8 |
| 3 |
| 3 |
| 4 |
| 8 |
| 3 |
=1:2;
0.63:0.07,
=(0.63×100):(0.07×100),
=63:7,
=(63÷7):(7÷7),
=9:1;
| 3 |
| 5 |
=600米:240米,
=600:240,
=(600÷120):(240÷120),
=5:2.
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