化简2(a^2b+2b^3-ab^3)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3 当a=-3,b=2时,值为多少不好意思,题目打错了,是2(a^2b+2b^3-ab^2)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3
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![化简2(a^2b+2b^3-ab^3)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3 当a=-3,b=2时,值为多少不好意思,题目打错了,是2(a^2b+2b^3-ab^2)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3](/uploads/image/z/250286-14-6.jpg?t=%E5%8C%96%E7%AE%802%EF%BC%88a%5E2b%2B2b%5E3-ab%5E3%29%2B3a%5E3-%282a%5E2b-3ab%5E2%2B3a%5E3%29-4b%5E3+%E5%BD%93a%3D-3%2Cb%3D2%E6%97%B6%2C%E5%80%BC%E4%B8%BA%E5%A4%9A%E5%B0%91%E4%B8%8D%E5%A5%BD%E6%84%8F%E6%80%9D%2C%E9%A2%98%E7%9B%AE%E6%89%93%E9%94%99%E4%BA%86%2C%E6%98%AF2%EF%BC%88a%5E2b%2B2b%5E3-ab%5E2%29%2B3a%5E3-%282a%5E2b-3ab%5E2%2B3a%5E3%29-4b%5E3)
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化简2(a^2b+2b^3-ab^3)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3 当a=-3,b=2时,值为多少不好意思,题目打错了,是2(a^2b+2b^3-ab^2)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3
化简2(a^2b+2b^3-ab^3)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3 当a=-3,b=2时,值为多少
不好意思,题目打错了,是2(a^2b+2b^3-ab^2)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3
化简2(a^2b+2b^3-ab^3)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3 当a=-3,b=2时,值为多少不好意思,题目打错了,是2(a^2b+2b^3-ab^2)+3a^3-(2a^2b-3ab^2+3a^3)-4b^3
化简得a*b^2 带入数值厚得-12
(a-b)^3+2ab(a-b)
ab^3+b^2+b-a+1
ab/a+b=3 a-2ab+b/2a-3ab+2b?
化简:(-2ab+3a)-(2a-b)+6ab
(a-b)(3ab+2a²b-b³)
已知实数a,b满足|a|=b,|ab|+ab=0,化简|a|+|-2b|-|3b-2a|
已知实数a,b 满足|a|=b ,|ab|+ab=0 化简 :|a|+|-2b|-|3b-2a|
化简:1.3a+2b-5a-b 2.3(-ab+2a)-2(3a-ab)
-ab(a^2b^5-ab^3-b)
化简[(a-b)/(a+2b)]/[(a^2-b^2)/(a^2+4ab+b^2)]-(3a^2-4ab)/(a^2+ab)
(ab(a^-2ab)-a^2b(a-3b))÷(3a^b)
化简 5ab-[2(2a^2-ab-b^2)-3(a^2+b^2)]-3(ab-2b^2)
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
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化简:b/(a-b)+b^2/(a^3-2a^2b+ab^3)*(ab+b^2)/(b^2-a^2)
化简 a^2-ab^2/ab+3b^2=
-2ab乘以(-a^+6a^b-3a+b)
18ab(a-b)^2-12a(b-a)^3