A . {6,8,9}
B . {6,7,8,10}
C . {6,7,8,10,11}
[多选题] 在SSCOP的STAT消息中,不正确的表征SDPDUs:4,5,x,7,x,x,10传输情况的是().A . {6,8,9}B . {6,7,8,10}C . {6,7,8,10,11}
[单选题]使用海明码进行纠错,7 位码长(x7x6x5x4x3x2x1),其中4 位数据,监督关系式为:c0 = x1+x3+x5+x7c1 =x2+x3+x6+x7c2 =x4+x5+x6+x7如果接收到的码字为 1000101,那么纠错后的码字是(58) 。(58)A. 1000001B. 1000101C. 1001101D. 1010101
=dfrac (1)(5)((x)^4-6(x)^2+8x+7); 描绘下列函数的图形: (1). ;
解下列方程:(1)196x^2-1=0;(2)4x^2+12x+9=81;(3)x^2-7x-1=0;(4)2x^2+3x=3;(5)x^2-2x+1=25;(
用消元法解下列线性方程组:-|||- x1+3x2+5x3-4x4 =1, x1+3x2+2x3-2x4+x5=-1, x1-2x2+x3-x4-x5=3, x
[主观题]解下列方程。X-5/6=1X+3/7=3/4X-5/12=3/8
用克莱姆法则求解线性方程组 } 2x_1+x_2-5x_3+x_4=8x_1-3x_2 -6x_4=9 2x_2-x_3+2x_4=-5x_1+4x_
7.用克莱姆法则解线性方程组-|||- ) (x)_(1)+(x)_(2)+(x)_(3)+(x)_(4)=5 (x)_(1)+2(x)_(2)-(x)_(3
解方程_(2)-3(x)_(3)+4(x)_(4)=-5-|||-x1- 2x3+324 =-4-|||-(x)_(1)+2(x)_(2)-5(x)_(4)=1
2.解方程组 ) (x)_(1)+(x)_(2)+(x)_(3) (x)_(1)+(x)_(2)-(x)_(3)-(x)_(4)=1 5(x)_(1)+5(