15.6×X/100+4.3×Y/100=9.2 求X=?Y=?
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![15.6×X/100+4.3×Y/100=9.2 求X=?Y=?](/uploads/image/z/15198125-5-5.jpg?t=15.6%C3%97X%2F100%2B4.3%C3%97Y%2F100%3D9.2+%E6%B1%82X%3D%3FY%3D%3F)
15.6×X/100+4.3×Y/100=9.2 求X=?Y=?
15.6×X/100+4.3×Y/100=9.2 求X=?Y=?
15.6×X/100+4.3×Y/100=9.2 求X=?Y=?
没搞错吧?还有一个式子呢?
15.6×X/100+4.3×Y/100=9.2 求X=?Y=?
若x、y互为相反数,则x+2x+3x+...100x+100y+99y+98y+...+y
X+Y=7(100X+Y)-(10Y+X)=(10Y+X)-(10X+Y)
328-y/y x 100%=-18%
If two even number x,y satisfy equation x×x+100=y×y,x
求 X Y公式X+Y=50Y/X=3X+Y=100Y/X=3求 x y...公式
{x-y=100 {12%x-10%y=100
200/(100/x)+(100/y)
解方程:,(100-x-y)-(x+y)=2
{2x=y x/60+y/100=2.2
{x+y=100 0.7x+0.8y=74
1/5x^2y-x^4-y^2/100
x+y=36 2x+4y=100
x+y=100 0.7x+0.8y=74
6X+5y=100 x=?y=?
X+Y=10009.93%x+25%y=100
x+y=22 2.5x+7y=100
x+y=32,2x+4y=100