求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25 0.3吨:150㎏ 4:( )=0.2 ( ):12=3/4 4:( )=32
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求比值,21:35,5/6:4/90.8:0.320.4:2/31/4:0.25求比值,21:35,5/6:4/90.8:0.320.4:2/31/4:0.250.3吨:150㎏4:()=0.2():
求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25 0.3吨:150㎏ 4:( )=0.2 ( ):12=3/4 4:( )=32
求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25
求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25
0.3吨:150㎏ 4:( )=0.2 ( ):12=3/4 4:( )=32
求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25求比值,21:35,5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25 0.3吨:150㎏ 4:( )=0.2 ( ):12=3/4 4:( )=32
等会行不