10.若_(1)(A,B,C)=sum _(m)^2(0,1,3,6,7) _(2)(A,B,C)=sum _(m)^2(2,3,4,5,6),则正确的表述为()。_(1)(A,B,C)=sum _(m)^2(0,1,3,6,7) _(2)(A,B,C)=sum _(m)^2(2,3,4,5,6)_(1)(A,B,C)=sum _(m)^2(0,1,3,6,7) _(2)(A,B,C)=sum _(m)^2(2,3,4,5,6)_(1)(A,B,C)=sum _(m)^2(0,1,3,6,7) _(2)(A,B,C)=sum _(m)^2(2,3,4,5,6)_(1)(A,B,C)=sum _(m)^2(0,1,3,6,7) _(2)(A,B,C)=sum _(m)^2(2,3,4,5,6)

将下列具有无关项的逻辑函数化为最简的与或逻辑式。-|||-(1) _(1)(A,B,C)=sum m(0,1,2,4)+d(5,6)-|||-(2) _(2)(

将下列具有无关项的逻辑函数化为最简的与或逻辑式。-|||-(1) _(1)(A,B,C)=sum m(0,1,2,4)+d(5,6)-|||-(2) _(2)(

关于公式"=SUM(A2:C2 B1:B10"和"=SUM(A2:C2，B1:B10)”下列说法正确的是________。A. 计算结果一样B. 第一个公式写

1.已知 = 1,2,3,4,5,6,7 , = 2,4,5 , = 1,3,5,7 , 求 cap ((C)_(C)cdot B), ((C)_(( ))A

[单选题]假设A1，B1，C1，D1，分别是2，3，7，3，则SUM（A1：C1）/D1为（）。A .15B .22C .16D .4

Y(A,B,C,D)= sum m(2,4,6,8)+d(10,11,12,13,14,15)A. BD'+AC'+CD' )B. BD'+AD'+CD'C.

行列式 |_(3)(a)_(6)-(a)_(2)(a)_(4)(a)_(5) (B) _(2)(a)_(4)(a)_(5)-(a)_(2)(a)_(3)(a)

单选;-|||-A= 3 0)-|||-1 3 B=-|||-2 -1 1 2 则 2A-3B= __ AB=-|||-(1) -7 6 6 6-|||-1 -

设 b1 C1-|||-D= .2 b2 2 =6-|||-3a3 b3 C3，则 b1 C1-|||-D= .2 b2 2 =6-|||-3a3 b3 C3=

1.设矩阵A、B和C满足 (A+C)=2(B-C), 其中-|||-2 3 6 3 2 4-|||-A= B=-|||--1 3 5 1 -3 5-|||-求矩