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36:24=3:2 2 / 3:4 / 5 = 5:6 8.4 :1.6 =21:4 1: 1 / 4 = 4:1 4:36=1:9 0.12:2.4=1:20 2:4: 9:16 = 8:9 6 out of 5: 1 out of 10 = 12:1
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