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        1. cףһͯ(ji)ijСW(xu)y(tng)һMˇRס҃W(xu)У92(мУ˔(sh)У˔(sh)ҼУ˔(sh)90)(zhn)y(tng)һُIbݳijbSoݳbăr(ji)
          ُIbה(sh)
          145
          4690
          91׼
          ÿ׷băr(ji)
          60Ԫ
          50Ԫ
          40Ԫ
           
          УքeΪ(d)ُIbһ(yng)5000Ԫ
          (1)҃У“(lin)ُIbôȸُIbԹ(ji)ʡX
          (2)ס҃УжٌW(xu)(zhn)䅢ݳ
          (3)У10ͬW(xu){(dio)ȥӕLِ܅ݳՈУO(sh)Ӌ(j)һNʡXُIb
          (1)1320Ԫ2ף52,ң4038250=4100

          ԇ}}֪ҹ92“(lin)ُIȆΪ(d)I(ji)ʡ5000-9240=1320Ԫ
          2O(sh)׌W(xu)У˔(sh)xx90t˔(sh)92-x
          ֪x92-xx4692-x46
          Լ׆Ϊ(d)ُIM(fi)50xԪ҆Ϊ(d)ُIM(fi)6092-xԪ
          ÷̣50x+6092-x="5000" x=52.t92-52=40ˣ
          3}֪(dng)10tȫ˔(sh)92-10=82ˣ
          ˕r(sh)“(lin)ُIÿמ50Ԫ8250=4100Ԫ
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