-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
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-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|-
-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
=-2/3-1/3-1/12-3
=-1-1/12-3
=-4-1/12
=-4又1/12
=-49/12
原式=-2/3-1/3-1/12-3=-4又1/12
你好
-|-2/3|-|-1/2x2/3|-|1/3-1/4|-|-3|
=-2/3-1/3-1/12-3
=-1-3-1/12
=-49/12
原式=-2/3-|-1/3|-|1/12|-3
=-2/3-1/3-1/12-3
=-49/12
望采纳,谢谢!
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