a是b的25%,b是c的75%,a+c=100,a= b= c=
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a是b的25%,b是c的75%,a+c=100,a= b= c=
a是b的25%,b是c的75%,a+c=100,a= b= c=
a是b的25%,b是c的75%,a+c=100,a= b= c=
a是b的25%,b是c的75%,
b=0.75c;
a=0.75c×0.25=3c/16;
a+c=100,
3c/16+c=100;
c=1600/19;
a= 100-1600/19=300/19;
b=1200/19;
手机提问的朋友在客户端右上角评价点【满意】即可.
a=b/4,
c=4b/3,
b=1200/19
由题意可得,a=25%b,b=75%c
则,a=25%×75%c=18.75%c
a+c=18.75%c+c=118.75%c=100
则c=84.21
则a=15.79
b=63.56