1.3,-1,8,9,73,( )a.119 b.154 c.192 d.2112.19/13,1,13/19,10/2
A B C D × 9 ___________________ D C B A (1) A = ( )(2) B = (
A B C D 1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 13 .问1100在A.B.C.
4元1次方程求速解1:A+B+C=134B+C+D=131A-B-C=D=1A+B+C+D=?2:2A+B-5C+D=8
卡诺图法化简 L(A,B,C,D)=∑m(0,1,2,5,6,8,9,13,14)+∑d(10,11)
求齐次线性方程组 (1)A-8B+10C+2D=0 2A+4B+5C-D=0 3A+8B+6C-2D=0 (2) A+B
求齐次线性 (1)A-8B+10C+2D=0 2A+4B+5C-D=0 3A+8B+6C-2D=0 (2) A+B=5
已知a>b>c>d,求证1/a-b+1/b-c+1/c-a>=9/a-d
A+B+C+D=10 A+B=3 B+D=7 A+A=2 C+1=D谁能算出这个题?
1,2,3,7,8,17,15,( A.31 B.10 C.9 D.25
1,2,3,7,8,17,15,( ) A:31 B:10 C:9 D:25
A b c d e 1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 13 17 18 19 20
a+2b-c+d=1 ,-2a-4b+c-3d=4 ,4a+8b-3c+5d=-2.求 a.b.c.d.,快 ..