168:84 0.4:1 5.6:4.2 12:0.12 3.5:5 化简比

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168:840.4:15.6:4.212:0.123.5:5化简比168:840.4:15.6:4.212:0.123.5:5化简比168:840.4:15.6:4.212:0.123.5:5化简比1

168:84 0.4:1 5.6:4.2 12:0.12 3.5:5 化简比
168:84 0.4:1 5.6:4.2 12:0.12 3.5:5 化简比

168:84 0.4:1 5.6:4.2 12:0.12 3.5:5 化简比
168:84
=(2×84):84
=2:1
0.4:1
=4:10
=2:5
5.6:4.2
=56:42
=(4×14):(3×14)
=4:3
12:0.12
=1200:12
=100:1
3.5:5
=35:50
=7:10

3.5:5
=35:50
=7:10