男女比例为345:405,那种比例最接近他,27:48,117:228,120:90,60:30,这样做对吗是不是这样345/405=0.8527/48=0.56117/228=0.51120/90=1.3360/30=2然后0.85-0.56=0.290.85-0.51=0.341.33-0.85=0.482-0.85=1.15因为0.85-0.56=0.29,相差最少

Question

男女比例为345:405,那种比例最接近他,27:48,117:228,120:90,60:30,这样做对吗
是不是这样345/405=0.85
27/48=0.56
117/228=0.51
120/90=1.33
60/30=2
然后0.85-0.56=0.29
0.85-0.51=0.34
1.33-0.85=0.48
2-0.85=1.15
因为0.85-0.56=0.29,相差最少所以是27:48吗

Answer 1

应该对