(-5/12-1/24-5/6)*(24*5/9-24*2/9+24*2/3)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 12:13:40
(-5/12-1/24-5/6)*(24*5/9-24*2/9+24*2/3)

(-5/12-1/24-5/6)*(24*5/9-24*2/9+24*2/3)
(-5/12-1/24-5/6)*(24*5/9-24*2/9+24*2/3)

(-5/12-1/24-5/6)*(24*5/9-24*2/9+24*2/3)
=(-10/24-1/24-20/24)*(24*(5/9-2/9+2/3))=-31/24*24=-31