果园里有桃树35棵,杏树30棵,桃树占这两种树的几分之几(还要算式)

问题描述:

果园里有桃树35棵,杏树30棵,桃树占这两种树的几分之几(还要算式)

(35+30)除以35

35/(35+30)=35/75=7/12

35÷(35+30)=7/13

35/(35+30)

35/(35+30)=7/13