(a+2b)^2*( )=a^4-8a^2b^2+16b^4
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(a+2b)^2*()=a^4-8a^2b^2+16b^4(a+2b)^2*()=a^4-8a^2b^2+16b^4(a+2b)^2*()=a^4-8a^2b^2+16b^4a^4-8a^2b^2+1
(a+2b)^2*( )=a^4-8a^2b^2+16b^4
(a+2b)^2*( )=a^4-8a^2b^2+16b^4
(a+2b)^2*( )=a^4-8a^2b^2+16b^4
a^4-8a^2b^2+16b^4
=(a^2-4b^2)^2
=[(a+2b)(a-2b)]^2
=(a+2b)^2(a-2b)^2
括号中应填(a-2b)^2
已知b-a=1/8,2a+a=1/4,求a/b-a
2a(a-4b)-b(a+2b)=?
计算:(4a-b)^2-[8a*(a-b)-(3a-b)*(3a+b)]
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a-b/a+b=4,求代数式5(a-b)/a+b-a+b/2(a-b)的值.
若a-b/a+b=4,求5a-b/a+b- a+b/2(a-b)
若a-b/a+b=4,求代数式5(a-b)/a+b-a+b/2(a-b)
3a^2b-{2a^2b+[9a^b-(6a^2b+4a^2)]-(3a^2b-8a^2)}=
(3a+4b)(7a-8b)+(11a+2b)(8a-7a)
【(2a+b)方-b(b+4a)-8a/2a,a=2【(2a+b)方-b(b+4a)-8a/】2a,a=2
已知(a-2b)/(a+2b)=4,求代数式3(a-2b)/4(a+2b)+(4a+8b)/(a-2b)的值
a%b=(a+b)除以(a-b) (8%4)&2=?a&b=(a+b)除以(a-b) (8&4)&2=?
(a^2+1)(-4a^2+1)+a^4-1 3a(a-b)(a+b)-6(b-a)^2a^2-9(a-b)^2= 3a(a-b)(a+b)-6(b-a)^2=
已知a^2+9b^2+4a=12b-8 求(a+b)(a-b)-(a+b)^2-2(a-b)^2
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对任意自然数a,b,规定a#b=2*a+b,若a#2a#3a#4a#5a#6a#7a#8a#9a=2026
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a+2b=4 a+2c=8 a=a=+b