从12分之5与4分之1的和减去0.15差是多少

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/06 09:05:21

从12分之5与4分之1的和减去0.15差是多少

(5/12+1/4)-0.15
=(5/12+3/12)-0.15
=8/12-0.15
=2/3-3/20
=40/60-9/60
=31/60

(5/12+1/4)-0.15
=(5/12+3/12)-0.15
=8/12-0.15
=2/3-3/20
=40/60-9/60
=31/60