(0.5-x)(600+300*x/0.2)=300
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
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
6X-(360X-0.5X)=2×(360X-0.5X)
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
x(80-0.5x)=750
5*(x-2)=4*(x+3) 2x+(50-x)*4=140 3x-(8-x)=20*4 200x=(x-0.5)*2
(x-3)/0.5-(x+4)/0.2=1.6
300/X + 50 = 300/(X+12)
300(X+10)=350(X+5)
(x-100)*[300-5(x-110)]=1000
(X+200)×2=3X-300