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tianqi68

0.0820 x1+0.072x2+0.0650x3+0.0540x4+0.038x5+0.0570x6+0.0450x7+1383.628524≧1500
  0.2160x1+0.0960x2+0.0860x3+0.0862x4+0.0760x5+0.082x6+0.075x7+1213.402925≧1490
  0.2679x1+0.1479x2+0.1670x3+0.1509x4+0.0979x5+0.1009x6+0.1074x7+964.922804≧1485
  0.2304x1+0.1004x2+0.1344x3+0.1228x4+0.0704x5+0.0828x6+0.0893x7+625.803409≧1450
  0.1981x1+0.0881x2+0.0976x3+0.1006x4+0.0581x5+0.0686x6+0.0551x7+352.0833≧1423

0.072x1+0.063x2+0.057x3+0.05x4+0.032x5+0.0442x6+0.0675x7+5166.56428≦5706
0.2120x1+0.1880x2+0.1280x3+0.1760x4+0.1790x5+0.1262x6+0.1775x7+5427.30973≦5843
0.3750x1+0.2050x2+0.3120x3+0.3788x4+0.2131x5+0.2045x6+0.3196x7+5506.32868≦6152
0.5666x1+0.4086x2+0.5766x3+0.4986x4+0.4253x5+0.3584x6+0.5635x7+5588.587≦6313
0.7585x1+0.6785x2+0.7846x3+0.6438x4+0.6653x5+0.4744x6+0.7874x7+5277.62093≦6720
128.1x1+78.1x2+64.1x3+43.0x4+58.1x5+36.9x6+50.5x7+16861≦86580
107.0x1+60.0x2+51.0x3+31.05x4+49.0x5+30.75x6+43.8x7+20477≦119100
72.25x1+52.25x2+42.25x3+22.2x4+37.25x5+23.7x6+35.7x7+60851≦171980
56.55x1+39.55x2+33.55x3+17.05x4+30.55x5+17.3x6+27.35x7+80114≦196132
44.7x1+30.7x2+21.7x3+13.15x4+24.7x5+12.0x6+22.05x7+85014≦199321

0≤x1≦426,  0≤x2≦390,  0≤x3≦430,  0≤x43≦74,0≦x5≤445,0x≦6≤534,0x≦74≦76