(-5a^2b^3c^2)^2÷(-ab^2C)^3
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(-5a^2b^3c^2)^2÷(-ab^2C)^3(-5a^2b^3c^2)^2÷(-ab^2C)^3(-5a^2b^3c^2)^2÷(-ab^2C)^3(-5a^2b^3c^2)^2÷(-ab^2
(-5a^2b^3c^2)^2÷(-ab^2C)^3
(-5a^2b^3c^2)^2÷(-ab^2C)^3
(-5a^2b^3c^2)^2÷(-ab^2C)^3
(-5a^2b^3c^2)^2÷(-ab^2C)^3
=- (25a^4b^6c^4)÷(a^3b^6C^3)
=-25ac
-25ac
通分 b/3a²c²,c/2ab,a/5b³c
2(a^2b-2ab^2+c)-(2c+3a^2b-ab^2)
2(a²b-2ab²+c)-(2c+3a²b-ab²)
(a+b+c)(a^2+b^2+c^2-ab-ac-bc)+3ab=
若a>b>c,a+2b+3c=0,ab>ac与ab
b/(a^2-ab)+c/(b^2-ab)+(a+b^2)/(a^2b-ab^2)
(-5a^2b^3c^2)^2÷(-ab^2C)^3
(-5a^2b^3c^2)^2÷(-ab^2C)^3
求解5(a^2b-2ab^2+c)-4(2c+3a^2b-ab^2)
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