-|-2/3|-|-1/2*2/3|-|1/3-1/4|-|-3|

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/09 04:56:08

-|-2/3|-|-1/2*2/3|-|1/3-1/4|-|-3|

答案:-4又1/12
  -|-2/3|-|-1/2*2/3|-|1/3-1/4|-|-3|
  =-2/3-1/3-1/12-3
  =-4又1/12
绝对值取其大小 |a|=a(a>=0)
|a|=-a(a

-|-2/3|-|-1/2*2/3|-|1/3-1/4|-|-3|
=-2/3-1/3-1/12-3
=-1-1/12-3
=-4又1/12

-|-2/3|-|-1/2*2/3|-|1/3-1/4|-|-3|
=-2/3-1/3-1/12-3
=-4-1/12
=-4又12分之1