求下面各比的比值并化简:14:21 9 11 : 3 22 6: 1 6 0.5:2.
展开全部
(1)14:21, =14÷21, =
14:21, =(14÷7):(21÷7), =2:3. (2)
=
=6;
=(
=18:3, =6:1. (3)6:
=6 ÷
=36; 6:
=(6×6):(
=36:1. (4)0.5:2.5, =0.5÷2.5, =0.2; 0.5:2.5, =(0.5×2):(2.5×2), =1:5. |
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