12(3a+5b)^12*(3a-5b)^4÷[3(3a+5b)^4*(3a-5b)]^3
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/12 23:41:23
12(3a+5b)^12*(3a-5b)^4÷[3(3a+5b)^4*(3a-5b)]^3
12(3a+5b)^12*(3a-5b)^4÷[3(3a+5b)^4*(3a-5b)]^3
= 12(3a+5b)^12*(3a-5b)^4÷[3^3*(3a+5b)^(4*3)*(3a-5b)^3
= 12(3a+5b)^12*(3a-5b)^4÷[27*(3a+5b)^12*(3a-5b)^3]
= (12/27)*(3a+5b)^(12-12)*(3a-5b)^(4-3)
= (12/27)*(3a+5b)^0*(3a-5b)^1
= (4/9)*1*(3a-5b)
= (4/9)*(3a-5b)
---
以上,希望对你有所帮助.
= 12(3a+5b)^12*(3a-5b)^4÷[3^3*(3a+5b)^(4*3)*(3a-5b)^3
= 12(3a+5b)^12*(3a-5b)^4÷[27*(3a+5b)^12*(3a-5b)^3]
= (12/27)*(3a+5b)^(12-12)*(3a-5b)^(4-3)
= (12/27)*(3a+5b)^0*(3a-5b)^1
= (4/9)*1*(3a-5b)
= (4/9)*(3a-5b)
---
以上,希望对你有所帮助.
(3a-6b)/(a+b) - (5a-6b)/(a-b) - (4a-5b)/(a+b) - (7a-8b)/(a-b
(3a-6b/a+b)-(5a-6b/a-b)-(4a-5b/a+b)-(7a-8b/b-a)
3a(a-b)-5b(a-b)
[(a+2b)(a-2b)-(2a-b)²+(3a-b)(3a-5b)]÷2a
0 a a+b 2a+b 2a+2b 3a+2b 3a+3b 4a+3b 4a+4b 5a+4b 5a+5b …… 求一
因式分解8a^3b^3 12a^4b^2 16a^5b
(2a+b)(2a-b)-3a(4a-3b)+(4a-b)(2a-b) a=5分之3,b=3分之2
化简下列二次根式:根号a^3(a-b)^3,根号(a-b)^5(a+b)^4,根号(a-b)/(a+b),且a>b>0.
因式分解(a-b)-3a+3b (a+b)(a-b)-2b(3a-5b)
计算(a-b)^m(a-b)[2(b-a)]^3[(b-a)^5]^2÷(a-b)^m=
2A的2次方-3A[2A-5B]-4B[5A-B]
[(4a+3b)(4a-3b)-(3a=3b)(2a-3b)]/5a 化简