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⒈ ( )∶20 = 24∶( )= ( )分之12 = 0.8 = ( )%
人气:412 ℃ 时间:2020-05-10 01:37:10
解答
⒈ (16)∶20 = 24∶(30)= (15)分之12 = 0.8 = (80)%
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