题目内容
【题目】0.72:0.9的比值是 , 化成最简整数比是 .
【答案】0.8;4:5
【解析】解:①0.72:0.9
=0.72÷0.9
=0.8
②0.72:0.9
=(0.72×100):(0.9×100)
=72:90
=(72÷18):(90÷18)
=4:5
所以答案是:0.8,4:5.
练习册系列答案
相关题目
题目内容
【题目】0.72:0.9的比值是 , 化成最简整数比是 .
【答案】0.8;4:5
【解析】解:①0.72:0.9
=0.72÷0.9
=0.8
②0.72:0.9
=(0.72×100):(0.9×100)
=72:90
=(72÷18):(90÷18)
=4:5
所以答案是:0.8,4:5.