化简下面各比 7/8:3/4= 0.4:2= 4:4/7= 34/51=

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化简下面各比 7/8:3/4= 0.4:2= 4:4/7= 34/51=
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化简下面各比 7/8:3/4= 0.4:2= 4:4/7= 34/51=
化简下面各比 7/8:3/4= 0.4:2= 4:4/7= 34/51=

化简下面各比 7/8:3/4= 0.4:2= 4:4/7= 34/51=
7/8:3/4=7/8×4/3=7:6
0.4:2=2/5×1/2=1:5
4:4/7=4×7/4=7:1
34/51=2:3

1.7/8:3/4=7:6
2.0.4:2=1:5
3.4:4/7=7:1
4.34/51=2:3

7/8:3/4=7/6 0.4:2=1/5 4:4/7=7 34/51=2/3

7/8:3/4=7/8÷3/4=7/8×4/3=7/6=7:6
0.4:2= 4:20=1:5
4:4/7= 4÷4/7=4×7/4=7/1=7:1
34/51=34÷17:51÷17=2:3
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7:6
1:5
7:1
2:3

7:6 1:5 7:1 后面题目没给完