(x-18%)除以9分之16=18%

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(x-18%)除以9分之16=18%
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(x-18%)除以9分之16=18%
(x-18%)除以9分之16=18%

(x-18%)除以9分之16=18%
(x-18%)除以9分之16=18%
x-0.18=0.18*16/9
x-0.18=0.32
x=0.32+0.18
x=0.5

(x-18%)除以9分之16=18%
x-0.18=0.18X16/9
x-0.18=0.32
x=0.32+0.18
x=0.5

(x-18%)除以9分之16=18%
9(x-18%)=18%*16
9x-9*18%=18%*16
9x=16*18%+18%*9
x=1/2

(x-18%)除以9分之16=18%
x-18%=18%×9分之16
x-18%=0.32
x=0.32+0.18
x=0.5