4、5、11、14、22、( ) A、24 B、26 C、27 D、36

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/20 05:51:43
xP[N1JHyɔFt@y DeL4QB | bh;[v 'wS2T;]1n5+լvtѮqcIbaJ9 Y1n$דgA;Co$.oزV.a7'e DL{Tu30I,bCyK`za y7H3b@,Ďv'*LLހmV2Hiab[;C8$kzˬf()CO8fCN"1-l nE֜Aw0w.0Nuf7>r@/ pq TH%V&@w?kG
a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a= 5a-【a+(5a-2a)-2(a-3a)-4a】 已知:a+2a+3a+4a+.+10a=5.5那么:a=( )在数列2,5,11,a,47,...中,a=(  ) 合并同类项:a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a 逻辑运算中A表示什么 (1) 0 · A = 0 (10) 1' = 0; 0' = 1  (2) 1 · A = A (11) 1 + A = 1  (3) A · A = A (12) 0 + A = A  (4) A · A' = 0 (13) A + A = A  (5) A · B = B · A (14) A + A' = 1  (6) A·(B·C) = (A·B)·C (15) A 计算:(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=? 计算(a+3a+5a+.+2003a)-(2a+4a+6a+.+2004a) 1=5a,2=8a,3=11a,4=14a,n=?a 逻辑运算中的A表示什么 (1) 0 · A = 0 (10) 1' = 0; 0' = 1  (2) 1 · A = A (11) 1 + A = 1  (3) A · A = A (12) 0 + A = A  (4) A · A' = 0 (13) A + A = A  (5) A · B = B · A (14) A + A' = 1  (6) A·(B·C) = (A·B)·C (15 a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a.+2008a+2009a-2010a-2011a如何合并同类项? 求和:1,a+a^2,a^3+a^4+a^5,a^6+a^7+a^8+a^9,···(a不等于0) 5a-[a²+(5a²-2a)-2(a²-3a)-4a] 化简(—a^3+3a^2-7a+5)+(5a^-6a)-(a^3-4a+7) 化简(—a^3+3a^2-7a+5)+(5a^-6a)-(a^3-4a+7) 解填空题11道- -1、7a²b+21ac-14a³bc公因式是( )2、4a²-( )²=(2a+( ))*( )-三分之一b)3、a²-4ab+( )=( - )²4、因式分解:-a²-2ab-b²=( )5、计算:a^5*a^3=( );a^5/a^3=( LINGO错误,这段程序为什么会出现以下错误:程序:clc;clear;M=1000;a(1,2)=8; a(1,3)=5;a(1,4)=9;a(1,5)=12;a(1,6)=14;a(1,7)=12;a(1,8)=16;a(1,9)=17;a(1,10)=22;a(2,3)=9; a(2,4)=15;a(2,5)=17;a(2,6)=8;a(2,7)=11;a(2,8)=18;a(2,9)=14;a(2,10)=22; 已知a为正整数,且a^3+2a^2_12a+15表示某素数,求出这个素数a³+2a²-12a+15=a³+125+2a²-12a-110=(a+5)(a²-5a+25)+2(a²-6a-55)=(a+5)(a²-5a+25)+2(a+5)(a-11)=(a+5)(a²-5a+25+2a-22)=(a+5)(a²-3a+3)要使 a-2a+3a-4a+5a-6a+...+99a-100a