(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?
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(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?
是对的,刚才回答过了
再问: (-3a^3b^4)^2除以(-2ab^2)^3
再答: (-3a^3b^4)^2÷(-2ab^2)^3 =9a^(6-3)b^(8-6)/(-8) =-9a^3b^2/8
再问: 我是-八分之9a^3b^2
再答: 对的,只是我把8做分母, -9a^3b^2/8=-(9/8)a^3b^2
再问: (-3a^3b^4)^2除以(-2ab^2)^3
再答: (-3a^3b^4)^2÷(-2ab^2)^3 =9a^(6-3)b^(8-6)/(-8) =-9a^3b^2/8
再问: 我是-八分之9a^3b^2
再答: 对的,只是我把8做分母, -9a^3b^2/8=-(9/8)a^3b^2
(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?
(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)
(a+2b)(2a+4b)(3a+6b)(4a+8b)
4(b-a)(a+b)-(2a-3b)(3a-2b)怎么计算
3a^2b-{2a^2b+[9a^b-(6a^2b+4a^2)]-(3a^2b-8a^2)}=
计算:3a+4b/a-b+3b/b-a-4a/a-b
3a/a-4b +a+b/4b-a -7b/a-4b
1.(a-b)^2(b-a)^3(a-b)^-4
当a+2b/2a-3b=3,求代数式4b+2a/9b-6a-4a-6b/3a+6b
a+2b/2a-3b=3 求解4b+2a/9b-6a-4a-6b/3a+6b=?
计算(3a-2b)(9a*a+6ab+4b*b)-(3a+2b)(9a*a-6ab+4b*b)