4a 6b

化简6(a+b)+4(a+b)_5(a+b)化简6(a+b)+4(a+b)_5(a+b)化简6(a+b)+4(a+b)_5(a+b)6(a+b)+4(a+b)-5(a+b)=（6+4-5）（a+b）=

4a:6ba:b=():()4a:6ba:b=():()4a:6ba:b=():()4a=6ba:b=3:22：33:232324a【=？？？】6ba=6,则b=4a:b=(3):(2)2：3a:b=

(3a-6b)/(a+b)-(5a-6b)/(a-b)-(4a-5b)/(a+b)-(7a-8b)/(a-b)快(3a-6b)/(a+b)-(5a-6b)/(a-b)-(4a-5b)/(a+b)-(7

(3a-6b/a+b）-(5a-6b/a-b)-(4a-5b/a+b)-(7a-8b/b-a)(3a-6b/a+b）-(5a-6b/a-b)-(4a-5b/a+b)-(7a-8b/b-a)(3a-6b

已知a*a+b*b-2a+4b+5=0,求2(a+b)(a-b)+(a-b)(a-b)-(6a*a*b-2a*b*b)/(2b)的值已知a*a+b*b-2a+4b+5=0,求2(a+b)(a-b)+(

[(a+2b)(a-2b)+4(a-b)^2-6b]/6a[(a+2b)(a-2b)+4(a-b)^2-6b]/6a[(a+2b)(a-2b)+4(a-b)^2-6b]/6a不明白,^是什么意思?

(a+2b)(2a+4b)(3a+6b)(4a+8b)(a+2b)(2a+4b)(3a+6b)(4a+8b)(a+2b)(2a+4b)(3a+6b)(4a+8b)=24*(a+2b)^4

化简8(a-b)2+4(a-b)+5(b-a)-6(b-a)2化简8(a-b)2+4(a-b)+5(b-a)-6(b-a)2化简8(a-b)2+4(a-b)+5(b-a)-6(b-a)28(a-b)2

(a+b)9(-a-b)4+(a+b)6(a-b)7(a+b)9(-a-b)4+(a+b)6(a-b)7(a+b)9(-a-b)4+(a+b)6(a-b)7应该是(a+b)9(-a-b)4+(a+b)

已知A=5a-3b,B=-6a+4b,A-B=?已知A=5a-3b,B=-6a+4b,A-B=?已知A=5a-3b,B=-6a+4b,A-B=?11a-7b

8(a-b)²+4(a-b)+5(b-a)-6(b-a)²8(a-b)²+4(a-b)+5(b-a)-6(b-a)²8(a-b)²+4(a-b)+5(

(a-b)^6*[-4(b-a)^3]*(b-a)^2÷(a-b)=求过程(a-b)^6*[-4(b-a)^3]*(b-a)^2÷(a-b)=求过程 (a-b)^6*[-4(b-a)^3]*

化简7.6a+6.8b-2.8a-6b12a-4a+7b-b化简7.6a+6.8b-2.8a-6b12a-4a+7b-b化简7.6a+6.8b-2.8a-6b12a-4a+7b-b7.6a+6.8b-

(a+b)(a-b)(a^4+a^2b^2+b^4)/(b^6-a^6)求详细过程,感激不尽!(a+b)(a-b)(a^4+a^2b^2+b^4)/(b^6-a^6)求详细过程,感激不尽!(a+b)(

2a-{7b+[4a-7b-(2a-6a-4b)]-3a2a-{7b+[4a-7b-(2a-6a-4b)]-3a2a-{7b+[4a-7b-(2a-6a-4b)]-3a2a-{7b+[4a-7b-(2

若a-b=4,3a+2b=6,3a(a-b)+2b(a-b)=().若a-b=4,3a+2b=6,3a(a-b)+2b(a-b)=().若a-b=4,3a+2b=6,3a(a-b)+2b(a-b)=(

a+b-4a-3a-6b=a+b-4a-3a-6b=a+b-4a-3a-6b=-6a-5b

初二分式的加减法2a-b-c/（a-b)(a-c)+2b-c-a/(b-c)(b-a)+2c-b-a/(c-b)(c-a)3a-6b/a+b-5a-6b/a-b-4a-5b/a+b+7a-8b/b-a

(a^2+1)(-4a^2+1)+a^4-13a(a-b)(a+b)-6(b-a)^2a^2-9(a-b)^2=3a(a-b)(a+b)-6(b-a)^2=(a^2+1)(-4a^2+1)+a^4-1

因式分解：1、a*a*a*a+2a*a*a*b+3a*a*b*b+2a*b*b*b+b2、(a+1)(a+3)(a+4)(a+6)-280因式分解：1、a*a*a*a+2a*a*a*b+3a*a*b*