x/3 + y/4 =54/60 x/5+y/4=42/60 求x=?y=?
问题描述:
x/3 + y/4 =54/60 x/5+y/4=42/60 求x=?y=?
答
x=2/3
y=8/5
x/3 + y/4 =54/60 x/5+y/4=42/60 求x=?y=?
x=2/3
y=8/5