已知实数x、y满足:3(x3+y3+1)=(x-y+1)3,x2014+y2014=
A . 0
B . 2
C . 1
D . 3
[单选题]已知实数x,y,满足|x-3|+√(y-6)=0,则以x,y的值为两边长的等腰三角形的周长是A.12B.15C.12或15D.都不对
[单选题]已知x-y=1,则x3-3xy-y3的值为( )。A.1B.2C.3D.5
[单选题]设f(x,y)=x3-y3+3x2+3y2-9x,则f(x,y)在点(1,0)处().A . 取得极大值B . 取得极小值C . 未取得极值D . 是否取得极值无法判定
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160
[单选题]如x⊕y=x2+y2,则3⊕1⊕3=( )。A.109B.100C.120D.160