从13-x=-5,可得到13-5=x
从13-x=-5,可得到13-5=x
x = 13,y=-13,执行语句x,y=y,x后,变量x的值为( ) A: 13 B: 0 C: -13 D: 出错
x = 13,y=-13,执行语句x,y=y,x后,变量x的值为( ) A: 13 B: 0 C: -13 D: 出错
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
计算:(1)x+2x2-6x+9÷13-x×x-3x+2 (2)(x2-1x2-2x+1-x+1)÷xx-1.
x = 13,y=-13,执行语句x,y=y,x后,变量x的值为( )
x = 13,y=-13,执行语句x,y=y,x后,变量x的值为( )
X~N(10,22),求P(10<X<13),P(X>13),P(|X-10|<2).
X~N(10,22),求P(10<X<13),P(X>13),P(|X-10|<2).
执行以下程序后,输出结果为 #include[stdio.h] void main() { int x; float y; y=3.6; x=(int)y+10; cout<<"x="<<x<<"y="<<y; } A: x=13,y=3.600000 B: x=13.5,y=3.60000 C: x=13,y=3 D: x=13,y=3.6
执行以下程序后,输出结果为 #include[stdio.h] void main() { int x; float y; y=3.6; x=(int)y+10; cout<<"x="<<x<<"y="<<y; } A: x=13,y=3.600000 B: x=13.5,y=3.60000 C: x=13,y=3 D: x=13,y=3.6
设函数f(x)=4x+2x2-1-3x-1(x>1)2x3ax2+3(x≤1)在点x=1处连续,则a等于( ) A: -12 B: 12 C: -13 D: 13
设函数f(x)=4x+2x2-1-3x-1(x>1)2x3ax2+3(x≤1)在点x=1处连续,则a等于( ) A: -12 B: 12 C: -13 D: 13