2.15的5分之3比4分之3少多少
问题描述：
2.15的5分之3比4分之3少多少
答
2.15x(3/4-3/5)=0.3225
答
2.15×3/5 - 3/4 = 27/50
答
2.15*(3/4-3/5)
=2.15*0.15
=0.3225
2.15的5分之3比4分之3少0.3225
答
2.15乘以括号4分之3减5分之3括号