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(-3分之2)-(+3分之1)-4分之3-(-4分之1),-0.125*18又2002分之2001*8,要有
人气:303 ℃ 时间:2020-04-30 08:16:39
解答
1、-2/3-1/3-3/4-1/4
=-(2/3+1/3)-(3/4+1/4)
=-1-1
=-2
2、-0.128*(18又2001/2002)*8
=-0.125*8*(18又2001/2002)
=-1*(18又2001/2002)
=-18又2001/2002
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