4a+6b化简

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）=

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

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-

化简【3A方-(A+B)(B-A)】【4(-B-A)(B-A)+5B方】化简【3A方-(A+B)(B-A)】【4(-B-A)(B-A)+5B方】化简【3A方-(A+B)(B-A)】【4(-B-A)(B

(1/3a+1/4b)/(1/2a-1/3b)化简,得a(4a+3b)/(3a-2b)b(4a+3b)/(6a-4b)c(6a-4b)/(4a+3b)d(3a+4b)/(6a-3(1/3a+1/4b)

规定一种新运算,a*b=a+b,a#b=a-b,其中,a,b为有理数,化简a²b*3ab+5a²b#4ab结果为（）A6a²b+abB-4a²b+7abC4a&

化简-[-(5a-b)]-4(a+b)化简-[-(5a-b)]-4(a+b)化简-[-(5a-b)]-4(a+b)以下是全部过程：化简-[-(5a-b)]-4(a+b)原式=5a-b-4a-4b=a-

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

化简,a²-4a²-3a+6b化简,a²-4a²-3a+6b化简,a²-4a²-3a+6b=-3a²-3a+6b=-3(a&sup

化简1/4(a+2b)-1/6(5a-2b)+1/3b化简1/4(a+2b)-1/6(5a-2b)+1/3b化简1/4(a+2b)-1/6(5a-2b)+1/3b1/4(a+2b)-1/6(5a-2b

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)+(

化简（a-b+4ab/a-b)(a+b-4ab/a+b)的结果是_______化简（a-b+4ab/a-b)(a+b-4ab/a+b)的结果是_______化简（a-b+4ab/a-b)(a+b-4a

化简(a-b+(a-b)分之4ab)(a+b-(a+b)分之4ab)化简(a-b+(a-b)分之4ab)(a+b-(a+b)分之4ab)化简(a-b+(a-b)分之4ab)(a+b-(a+b)分之4a

化简-2(a-b)+4(a-b)-(b-a)+(a-b)化简-2(a-b)+4(a-b)-(b-a)+(a-b)化简-2(a-b)+4(a-b)-(b-a)+(a-b)原式=-2a+2b+4a-4b-

[(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:(2)6(a-3b+c)-4(-a+b-c);(3)1/2[(3a-2b)+5a-1/3(6a-9b)]化简:(2)6(a-3b+c)-4(-a+b-c);(3)1/2[(3a-2b)+5a-1

(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)