3a+12×6=15a+12
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3a+12×6=15a+123a+12×6=15a+123a+12×6=15a+1215a-3a=12x6-1212a=12x5a=5
3a+12×6=15a+12
3a+12×6=15a+12
3a+12×6=15a+12
15a-3a=12x6-12
12a=12x5
a=5
化简3a×a×a+12a×a-6a-12 a=根号7-1
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
因式分解:a^12+a^9+a^6+a^3+1
合并同类项:a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a
3a+12×6=15a+12
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
3a(4a^3-6a^2+8a)÷12a^2怎么做
6a(2a三次方+3a平方+4a)12a三次方结果
(3a+5)-{9a-[6a+2-(12a-10)+2(a+1)]}
(3a+5)-{9a-[6a+2-(12a-10)+2(a+1)]
a^3+2a^2-12a+15如何因式分解?
因式分解a^3+2a^2-12a+15
3a^3-6a^2+12a
因式分解a 3-6a 2+5a+12
2+12-a/3=a/b-6求a
3/(a+1)-12/(a²-1)-6/(1-a)
3a^2-6a+12 因式分解