(5/6-4/15)÷2/3 = = = …………

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 15:36:55
(5/6-4/15)÷2/3===…………(5/6-4/15)÷2/3===…………(5/6-4/15)÷2/3===…………(5/6-4/15)÷2/3=(25/30-8/30)÷20/30=17/

(5/6-4/15)÷2/3 = = = …………
(5/6-4/15)÷2/3 = = = …………

(5/6-4/15)÷2/3 = = = …………
(5/6-4/15)÷2/3
=(25/30-8/30)÷20/30
=17/30÷20/30
=17÷20
=0.85

17/20

答案是减1=多少。自己算