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8 :15 = 24 :( ) 0.75 :1 = ( ):4 0.2 :1.5
8 :15 = 24 :( ) 0.75 :1 = ( ):4
0.2 :1.5 = 2 :( ) 1/2 :3/4 = 2 :( )
2/5 :1/6 = ( ):5
人气:278 ℃ 时间:2020-04-27 07:03:01
解答
8 :15 = 24 :(45 ) 0.75 :1 = (3 ):4
0.2 :1.5 = 2 :( 15) 1/2 :3/4 = 2 :(3 )
2/5 :1/6 = (12 ):5
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