y1^2(y2^2-y1^2)/16 ... |
2011-07-29 |
已知函数y y1 y2a,b,c∈(0,+∞)证(1/a-1)×(1/b-1)(1/c-1)≥8 |
2011-07-31 |
5x+2=y是不是函数关于y x对称系? |
2011-08-15 |
已知函数y y1 y2y=y1+y2,y1与x成正比例,... |
2011-08-19 |
已知函数y y1 y2sin(π+α)= -1/2, -... |
2011-08-29 |
已知函数y y1 y2={1,-x+1(X>0)2,0... |
2011-09-05 |
已知函数y y1 y2Tanˉ1 的函数值是5.8593... |
2011-09-23 |
已知函数y y1 y2f﹙x﹚=2sin﹙wx+π/... |
2011-09-27 |
已知函数y y1 y2f(x)对任意x>0,y>0,... |
2011-09-29 |
已知函数y y1 y2g(x)=1/(sint*x)... |
2011-10-01 |
已知x属于[0,1]则已知函数y y1 y2=√x-1... |
2011-10-05 |
已知0<=x<=π/2,则已知函数y y1 y2=2s... |
2011-10-05 |
已知函数y y1 y2f(x)=(1-x)/(1+x... |
2011-10-11 |
已知函数y y1 y2f(x)=x2+2ax+2定义... |
2011-10-15 |
已知函数y y1 y2○+○+○+△+△=5.4△+△+... |
2011-10-16 |
已知函数y y1 y2f(x)为R上的减函数,则满足f(... |
2011-10-22 |
已知函数y y1 y2y=y1-y2,y1与x成反比例,y2与x²;成正比例.当x=2时,y=-6;当x=1时,y=2. |
2012-02-09 |
已知函数y y1 y2f(x)满足f(x+y)=f(x)+f(y)且f(1)=2则f(1)+f(2)+...+f(n)不能等于 |
2012-02-26 |
已知函数y y1 y2y1=6-x,y2=2+7x |
2012-04-01 |
已知函数y y1 y2f(x)=x2+(2a-1)x-alnx,,g(x)=-4/x-alnx,(a∈R) |
2012-04-02 |