8/9÷[(1/2+1/6)÷3/4] 1÷[(7/12-50%)×3] (1/2-1/3)×3/8÷25%
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 07:18:33
![8/9÷[(1/2+1/6)÷3/4] 1÷[(7/12-50%)×3] (1/2-1/3)×3/8÷25%](/uploads/image/z/12283160-32-0.jpg?t=8%2F9%C3%B7%5B%281%2F2%2B1%2F6%29%C3%B73%2F4%5D+1%C3%B7%5B%287%2F12-50%25%29%C3%973%5D+%281%2F2-1%2F3%29%C3%973%2F8%C3%B725%25)
8/9÷[(1/2+1/6)÷3/4] 1÷[(7/12-50%)×3] (1/2-1/3)×3/8÷25%
8/9÷[(1/2+1/6)÷3/4] 1÷[(7/12-50%)×3] (1/2-1/3)×3/8÷25%
8/9÷[(1/2+1/6)÷3/4] 1÷[(7/12-50%)×3] (1/2-1/3)×3/8÷25%
8/9÷[(1/2+1/6)÷3/4]
=8/9÷(2/3x4/3)
=8/9x9/8
=1
1÷[(7/12-50%)×3]
=1÷(1/12x3)
=1x4
=4
(1/2-1/3)×3/8÷25%
=1/6x3/8x4
=1/4