(1)△與口的個數(shù)比是
4:5
4:5
;
(2)口與△的個數(shù)比是
5:4
5:4
;
(3)☆與口的個數(shù)比是
3:5
3:5
;
(4)○與☆的個數(shù)比是
1:1
1:1
分析:由示意圖,△有4個,口有5個,☆有3個,○有3個,因此△與口的個數(shù)比是4:5;口與△的個數(shù)比是5:4;☆與口的個數(shù)比是3:5;○與☆的個數(shù)比是3:3=1:1.
解答:解:(1)△與口的個數(shù)比是4:5;
(2)口與△的個數(shù)比是5:4;
(3)☆與口的個數(shù)比是3:5;
(4)○與☆的個數(shù)比是1:1.
故答案為:4:5,5:4,3:5,1:1.
點評:從圖中查出各個圖形的個數(shù),然后相比即可.
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