热心网友

  x-(x/3)-8=[(x/3) 8]*(4/5) 解: 2x/3-8=32x/15 10x-120=32x 22x=-120 x=-60/11

热心网友

x-(x/3)-8=[(x/3)+8]*(4/5)15x-5x-120=[5x+120]*1210x-120=60x+120*125x=13*12x=31.2