计算化简1.1 1| --- - ---|;3 22.2 1|-2---|-|-1---|;3 43.|x-2|(x-2
2个回答
(1)=|1/3-1/2|=1/2-1/3=1/6
(2)=|-8/3|-|-5/4|=8/3-5/4=17/12
(3)|x-2|=x-2
(4)|3-x|=x-3
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