220+25%x+300
一道数学题 x(25-x)=300
3X+(100-X)/3=100 9X+100-X=300 8X=200 X=25
3/10(200+x)-2/10(300+x)=300x9/25,求x.
x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-1
x²/x-5+25/5-x
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x
x-60%x-25%x=25%x-30
(2x+300)(x-4)-2(x+2)(x-3)
(25/X)X(30/X)= 15/X怎么算
x-30%x=14x+25%x=20
x-2x+3x-4x+...+99x-100x=25
化简(x-5分之x -5-x分之x)\x的平方-25分之2x