(-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:六六作业网 时间:2024/12/18 10:29:26
(-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

(-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