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  100+(-20)(-20)+(-15)(-65)+(+15)(-8)+8(-2)+0(-3/4)+1/40.125+(-1/8)(-5/6)+1/3

  100+(-20)(-20)+(-15)(-65)+(+15)(-8)+8(-2)+0(-3/4)+1/4

  0.125+(-1/8)(-5/6)+1/3

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2020-12-2106:42
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艾永春

  =100-20

  =80

  =-20-15

  =-35

  =-65-15

  =-80

  =-8+8

  =0

  =-2+0

  =-2

  =-2/4

  =1/2

  0.125+(-1/8)

  =0.125-0.125

  =0

  (-5/6)+1/3

  =-5/6+2/6

  =-3/6

  =-1/2

2020-12-21 06:44:29
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