Give the logical variables X=Y=1， The value of X V Y( logical addition)is( ).

[单选题]Give the logical variables X=Y=1，The value of X V Y(logical addition)is (66) ．(66) A．8B．6C．4D．1

[单选题]G．ive the logical variables X=Y=1, The value of X V Y( logical addition)is(66).A．8B．6C．4D．1

[单选题]G．iven the logical variables X=0，Y=1，Value of X∧Y(logical multiply) isA．1B．2C．10D．0

[单选题]The minimum value of the function y=√(x2-2x+5)+√(x2+4) is ( ).(A)4.(B)3√2.(C)2√5.(D)√17.

[单选题]设函数u(x，y)，v(x，y)在点(x，y)的某邻域可微分，则在点(x，y)处有grad(uv)=（）A.gradu·gradvB.ugradv+v

[单选题]设函数u(x，y)，v(x，y)在点(x，y)的某邻域可微分，则在点(x，y)处有grad(uv)=（）A.gradu·gradvB.ugradv+v

[单选题]设函数u(x，y)，v(x，y)在点(x，y)的某邻域可微分，则在点(x，y)处有grad(uv)=()A.gradu·gradvB.ugradv+v

[单选题]设函数u(x，y)，v(x，y)在点(x，y)的某邻域可微分，则在点(x，y)处有grad(uv)=（）A.gradu·gradvB.ugradv+v

[单选题]已知实数x、y满足：3（x3+y3+1）=（x-y+1)3，x2014+y2014=A . 0B . 2C . 1D . 3

[单选题]有以下程序main(){ int x, y, z;x=y=1;z=x++,y++,++y;printf("%d,%d,%d/n",x,y,z);}程序运行后的输出结果是A．)2,3,3B．)2,3,2C．)2,3,1D．)2,2,1