4a^6n÷a^2n
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4a^6n÷a^2n4a^6n÷a^2n4a^6n÷a^2n4a^6n÷a^2n=4a^6n-2n=4a^4n
4a^6n÷a^2n
4a^6n÷a^2n
4a^6n÷a^2n
4a^6n÷a^2n=4a^6n-2n=4a^4n
4a^6n÷a^2n
(4a^2n-6a^n+1+2a^n)/2a^n 因式分解
计算:(3a^n+2+6a^n+1-9^n)÷3a^n-1
16n^a+4n^3+6n^2+7^n=0,求n
分式 计算:a^(2n+1)-6a^(2n)+9a^(2n-1) / a^(n+1)-4a^n+3a^(n-1)
因式分解:a^n+2-6a^n
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(6a^n+2+3a^n+1-9a^n)÷1/2a^n-1
计算:(6a^n+2-9a^n+1+3a^n-1)÷3a^n-1
计算(a^4n÷a^2n) ×a^n=
因式分解a^2n+a^4n-2a^6n
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下列几组力中,合力不可能等于0的是 A.3N 4N 6N B.1N 2N 4N C.2N 4N 6N D.5N 5N 1N
(3a^n+1+6a^n+2-9a^n)/3a^n-1
(6a^n+2 +3a^n+1 -9a^n)/3a^n-1
因式分解 a^4n+a^3n+a^2n+a^n
已知a^m=2,a^n=6,m、n为正整数,求a^n-m的值.同底数幂的除法:(4x^n-1y^n+2)÷(-x^n-2y^n+1)今天就要.