lingo错误,model:max=0.487*（x1+y1)+0.53*（x2+y2)+0.613*(x3+y3)+0.72*(_数学解答

lingo错误,
model:
max=0.487*（x1+y1)+0.53*（x2+y2)+0.613*(x3+y3)+0.72*(x4+y4)+0.487*(x5+y5)+0.52*(x6+y6)+0.64*(x7+y7);
0.487*x1+0.53*x2+0.613*x3+0.72*x4+0.487*x5+0.52*x6+0.64*x7

人气：419 ℃　时间：2020-07-04 08:47:28

解答

max=0.487*(x1+y1)+0.53*(x2+y2)+0.613*(x3+y3)+0.72*(x4+y4)+0.487*(x5+y5)+0.52*(x6+y6)+0.64*(x7+y7);
这句里面有中文符号改了之后就好了能具体指出来吗？怎么找不到就是max=0.487*(x1+y1)+0.53*(x2+y2)+0.613*(x3+y3)+0.72*(x4+y4)+0.487*(x5+y5)+0.52*(x6+y6)+0.64*(x7+y7);换了