(50:1/5) (0.25吨:500千克) ( 0.3:1/3) ( 5/8:3)化简下面各比
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(50:1/5) (0.25吨:500千克) ( 0.3:1/3) ( 5/8:3)化简下面各比
(50:1/5) (0.25吨:500千克) ( 0.3:1/3) ( 5/8:3)
化简下面各比
(50:1/5) (0.25吨:500千克) ( 0.3:1/3) ( 5/8:3)化简下面各比
(50:1/5)=1:250
(0.25吨:500千克) =1:2
( 0.3:1/3) =9:10
(5/8:3)=8:15