题目内容
化简下列各比,并求比值.
| 12:
| 2.4分米:0.3米. |
(1)
:
=(
×14):(
×14)=6:7,
:
=
÷
=
×2=
;
(2)12:
=(12×8):(
×8)=96:3=(96÷3):(3÷3)=32:1,
12:
=12÷
=12×
=32;
(3)2.4分米:0.3米=24厘米:30厘米=(24÷6):(30÷6)=4:5,
2.4分米:0.3米=24厘米:30厘米=24÷30=0.8.
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 6 |
| 7 |
(2)12:
| 3 |
| 8 |
| 3 |
| 8 |
12:
| 3 |
| 8 |
| 3 |
| 8 |
| 8 |
| 3 |
(3)2.4分米:0.3米=24厘米:30厘米=(24÷6):(30÷6)=4:5,
2.4分米:0.3米=24厘米:30厘米=24÷30=0.8.
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