1 5 7 10 13 15 a 19,20 b 19 25 c 17 25 d 17 20 求详解

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请问,这17道关于一元一次方程的题目我做对了吗?(1)A-5=6A-5+5=6+5A=11(2)0.3A=45A=13.5(3)5A+4=05A=4A=0.8(4)5A-2A=93A=9A=3(5)-3A+0.5A=10-2.5A=10A=4(6)6A-4=4A-56A-4A=-5+42A=-1A=0.5(7)2A+3A+4A=189A=18A=2(8)13A-15A+A=-3-3A=-3A=1(9) 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 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 英语翻译1 light fingers 2 a light adaptation 3 light bobs 4 a light car 5 a light chain 6 a light bomber 7 a light eater 8 light colonel 9 light artillery 10 a light box 11 a light cruiser 12 light air 13 a light touch 14 a light step 15 a light 急求下面要求的excel公式怎么设?1%﹤A≤5% 11% 5%﹤A≤10% 13% 10%﹤A≤15% 15% 15%﹤A≤20% 17% 20%﹤A≤30% 19% 30%﹤A≤40% 21% 40%﹤A≤50% 23% 50%﹤A≤60% 25% 60%﹤A 27% 因式分解:(a+1)(a+3)(a+5)(a+7)+15 a(a-b+2)-6b(b+1)(a+1)(a+3)(a+5)(a+7)+15a(a-b+2)-6b(b+1) a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a= int a[3][4]={{1,3,5,7},{9,11,13,15},{17,19,21,23}};注意:地址则输出地址,变量则输出变量值,设数组a的首地址为2000求(1) a[2][1] (2)a[1] (3)a (4)a+1 (5)*a+1 (6)*(a+1) (7)a[2]+1 (8)*(a+1)+1 (9)*(*a+2)+2)一个int类型占四 (a+1)(a+3)(a+5)(a+7)+15请写出具体过程,或者文字解释, 若a+1/a=5,则3a^-15a+10=? 23-a-{10a-[(5a-15)-(4-6a)]} (13-a)/(11-a)+(17-a)/(15-a)=(19-a)/(17-a)+(11-a)/(9-a)的解是多少 综合除法,教会我我会提高悬赏80分可以下列为例子(a^5-1)/(a-1)=a^4+a^3+a^2+a+1(a^10+a^5+1)/(a^2+a+1)=a^8-a^7+a^5-a^4+a^3-a+1决不食言 等差数列{a n }中,S10=15则a 1 a 4 a 7 a 10等于多少? 1+2a+3a^2+4a^3+5a^4+6a^5+5a^6+4a^7+3a^82a^9+a^10急~有分 int a[ ]={1,2,3,4,5,6,7,8,9,10};则a[a[8]-a[2]*a[1]]引用的数组元素是A、a[2]B、a[3]C、a[4]D、a[5]C B 合并同类项:a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a 化简(a+ 3)(a-3) (a-5)(a+7)-2a(a-1)