求比值,21:35, 5/6:4/9 0.8:0.32 0.4:2/3 1/4:0.25
求比值,21:35,5/6:4/90.8:0.320.4:2/31/4:0.250.3吨:150㎏4:()=0.2():12=3/44:()=32...
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 展开
0.3吨:150㎏ 4:( )=0.2 ( ):12=3/4 4:( )=32 展开
5个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询