66,79,93,108,( )A.121 B.120 C.122 D.124答案是多少,急
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66,79,93,108,()A.121B.120C.122D.124答案是多少,急66,79,93,108,()A.121B.120C.122D.124答案是多少,急66,79,93,108,()A
66,79,93,108,( )A.121 B.120 C.122 D.124答案是多少,急
66,79,93,108,( )A.121 B.120 C.122 D.124答案是多少,急
66,79,93,108,( )A.121 B.120 C.122 D.124答案是多少,急
D
66+13=79
79+14=93
93+15=108
108+16=124
66,79,93,108,( )A.121 B.120 C.122 D.124答案是多少,急
a^2+12a
观察下列一组等式(a+1)(a^2-a+1)=a^3+12.观察下列一组等式 (a-1)(a^2-a+1)=a^3+1(a-2)(a^2+2a+4)=a^3-8(a+3)(a^2-3a+9)=a^3+271.以上这些等式中.你有何发现?利用你的发现填写下面的括号.1.(x-3)(x^2+3x+9)= 2.(2x+1)(
化简3a×a×a+12a×a-6a-12 a=根号7-1
因式分解;a²b²-0.014x²-1a²+8a+16(a+2b)²+6(a+2b)+93x²-12
设a为整型变量,能正确表达数学关系10≤a≤15的C语言表达式是_____.A.10≤a≤15 B.a= =11 | | a= =12 | | a= =13 | | a= =14C.a>=10&& a=10 && a
(12a^3-12a^2+3a)/3a
(12a^3-12a^2+3a)/3a
12a=a+22 12a=a+22
这道题应该如何处理?13.在VB中,执行“A=5 :A=6 :A=A+A”语句后,变量A的值为( ).A)12 B)10 C)6 D)不确定
a=12时 a/=a+a等于多少,
因式分解:a^12+a^9+a^6+a^3+1
12a-5a=8a=6a
a²-2a-12
a^2-12a+20
合并同类项:a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a
分式计算(a+1/a^2+3a+2)+(a+3/a^2+7a+12)
1.25^a•5^b的计算结果是( )A.5^a+b B.5^2a+b C.5^a+2b 25^a+b2.若-x^2*y=2,则-xy(x^5*y^2-x^3*y+2x)的值为( )A.16 B.0 C.8 D.12计算1.2a(a^2 +3a-2)-3(a^3 + 2a^2 -a+1)2.(a^2 +3)(a-2)-a(a^2 -2a-2)化简求值1. X^2(x^2 -x+1)-x(x^3 -