a^4b^4-8a^2b^2+16
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a^4b^4-8a^2b^2+16
a^4b^4-8a^2b^2+16
a^4b^4-8a^2b^2+16
a^4b^4-8a^2b^2+16
=(a^2b^4-4)^2
=(ab+2)^2(ab-2)^2
计算:(4a-b)^2-[8a*(a-b)-(3a-b)*(3a+b)]
计算:((a+b)(a-b)-(a-b)^2+2b(a-b))/4(a-b)
(a+2b)(2a+4b)(3a+6b)(4a+8b)
化简8(a-b)2+4(a-b)+5(b-a)-6(b-a)2
a^4-8a^2b^2+16b^4
8a^2b^2-a^4-16b^4
a^4b^4-8a^2b^2+16
a^4-16/2a^2b+8b约分
计算a^2-b^2/a+b-4a(a-b)+b^2/2a-b
2(a+b)-[4(a+b)-3(a+b)]一[5(a-b)+(a-b)]过程
已知a+b=3.5,a-b=1.5,求16a^2 - 8ab + b^2 / 4a^2·b - a(b^2)16a^2 - 8ab + b^2----------------------4(a^2)b - a(b^2)
计算:(a+2b)(a-2b)(a^4-8a^2b^2+16b^4)
(3a+4b)(7a-8b)+(11a+2b)(8a-7a)
(a+2b)^2*( )=a^4-8a^2b^2+16b^4
因式分解 (a-b+4)(a^2-2ab+b^2-8a+8b+16)
因式分解8a^3b^3 12a^4b^2 16a^5b
1/(a-b)-1/(a+b)-(2b)/(a^2+b^2)-(4b^3)/(a^4+b^4)+(8b^7)/(b^8-a^8)快
1/a-b-1/a+b-2b/a^2+b^2-4b^3/a^4+b^4+8b^7/b^2-a^2