标题 | 日期 |
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已知x y满足y整数x,y,z满足x≤y<z,且|... | 2011-08-15 |
已知变量x y满足正数x,y满足2x+y=1,则1/... | 2011-08-23 |
已知变量x y满足x和y满足(x+1)的平方+y的平... | 2011-08-30 |
已知x y为实数椭圆x^2/a^2+y^2/b^2... | 2011-09-03 |
已知变量x y满足D(X)=25,D(Y)=1,CO... | 2011-09-04 |
已知变量x y满足x,y满足约束条件x>=1,x-3... | 2011-10-06 |
已知变量x y满足f(x)满足f(x-1/x)=x&... | 2011-10-06 |
亲爱的网友:B= m=3f(x)已知x满足不等式f... | 2011-10-14 |
已知变量x y满足y=f(x+1)是偶函数则满足f(... | 2011-10-21 |