化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2
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化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2化简(2/3a^4b^7-1/9a^2b^6)除以(
化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2
化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2
化简(2/3a^4b^7-1/9a^2b^6)除以(-1/3ab^3)^2
1/4(a-b)^2+3(a-b)(a+b)+9(a+b)^2
等式:(a+b)^0=1 (a+b)^1=a+b (a+b)^2(a+b)^0=1(a+b)^1=a+b(a+b)^2=a^2+2ab+b^2(a+b)^3=a^3+3a^2b+3ab^2+b^3问:(a+b)^4=?(a+b)^5=?``````` (a+b)^9=?
1/a-b-1/a+b-2b/a^2+b^2-4b^3/a^4+b^4+8b^7/b^2-a^2
1/(a-b)-1/(a+b)-(2b)/(a^2+b^2)-(4b^3)/(a^4+b^4)+(8b^7)/(b^8-a^8)快
化简:1÷(3b/3a÷4b/9a×3a/2b)
5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b)
(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=
(a-2b)(a^2+2ab+4b^2)-a(a+3b)(a-3b),其中a=-1/9,b=1求a,b
化简 (a+b)²+2a(a-1/2b)-3(a-b)(a+b)
化简2a-[3b-5a-(2a-7b)]等于如题 A.5a-10b B.5a+4b C.-a-4b D.9a-10b
已知2b-a<3,2a-b<5,化简|2b-a-4|+|a+b-9|-|b-2a+7|.
已知2b-a<3,2a-b<5,化简|2b-a-4|+|a+b-9|-|b-2a+7|
已知2b-a<3,2a-b<5,化简|2b-a-4|+|a+b-9|-(b-2a+7)的平方的平方根.
化简2a-[3a-5a-(2a-7b)]等于( ).A、-7a+10b B、5a+4b C、-a-4b D、9a-10b
化简:[2/3a - 2/(a+b) * (a+b/3a - a - b)] / (a-b)/a
1/(a-b)-1/(a+b)-2b/(a^2+b^2)-4b^3/a^4+b^4+8b^7/b^8-a^81/(a-b)-1/(a+b)-2b/(a^2+b^2)-4b^3/(a^4+b^4)+8b^7/(b^8-a^8)
a^2+5(a-b)(a+b)-(3a-2b)^2+9b^2,化简
(3a^2*b-7a*b^2-a^2*b^2)*5a*b化简