65/100 (y-1)= 37/100 (y+1)+0.1
65/100 (y-1)= 37/100 (y+1)+0.1
求导:Y=(3X^4-1)^100 求y’
设函数y=y(x)满足微分方程y″-3y′+2y=2e^x 且曲线y=y(x)在(0.1)处与已知曲线y=x^4-x+1
for(y=1;y
for (y=1;y
(1)65%(y-1)=37%(y+1)-0.82 ;(2)2.4-y-4/2.5=0.6y ; (3)x+1/0.2-
求证:(10x+y)[10x+(10-y)]=100x(x+1)+y(10-y)为恒等式,并利用此恒等式计算1998X1
已知y²-3y+1=0,求下列分式的值 y²+(1/y²) y²/y的4次方+y
化简求值:【(x+Y)(X-Y)-(X-Y)的平方+2Y(2-Y)】除4Y,其中X=1 Y=2
若|x+2y-1|+y²+4y+4=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)&
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
微分方程y''-3y'+2y=5,y(0)=1,y'(0)=2求解过程