题目内容
化简下列各比.
:
2.4:0.42
10.2:17.
| 1 |
| 8 |
| 3 |
| 4 |
2.4:0.42
10.2:17.
(1)
:
,
=(
×8):(
×8),
=1:6;
(2)2.4:0.42,
=(2.4×
):(0.42×
),
=40:7;
(3)10.2:17,
=(10.2×5):(17×5),
=51:85,
=(51÷17):(85÷17),
=3:5.
| 1 |
| 8 |
| 3 |
| 4 |
=(
| 1 |
| 8 |
| 3 |
| 4 |
=1:6;
(2)2.4:0.42,
=(2.4×
| 50 |
| 3 |
| 50 |
| 3 |
=40:7;
(3)10.2:17,
=(10.2×5):(17×5),
=51:85,
=(51÷17):(85÷17),
=3:5.
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