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化简下面各比.72:180.38:0.7627:962:0.3160:164:0.25.

题目详情
化简下面各比.
72:18    
0.38:0.76    
27:9
62:0.31    
60:16     
4:0.25.
▼优质解答
答案和解析
(1)72:18    
=(72:18):(18÷18)
=4:1;

(2)0.38:0.76    
=(0.38÷0.38):(0.76÷0.38)
=1:2;

(3)27:9
=(27÷9):(9÷9)
=3:1;

(4)62:0.31    
=(62×100÷31):(0.31×100÷31)
=200:1;

(5)60:16     
=(60÷4):(16÷4)
=15:4;

(6)4:0.25
=(4×4):(0.25×4)
=16:1.