1.-(2ab)^3+3ab×a^2b^2 2.(x^2y^3)^4+(-x)^8(y^6)^2 3.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^34.(ab^2)^3-(ab)^3×b^3要有过程
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1.-(2ab)^3+3ab×a^2b^22.(x^2y^3)^4+(-x)^8(y^6)^23.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^34.(ab^2)^3-(ab)^3×
1.-(2ab)^3+3ab×a^2b^2 2.(x^2y^3)^4+(-x)^8(y^6)^2 3.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^34.(ab^2)^3-(ab)^3×b^3要有过程
1.-(2ab)^3+3ab×a^2b^2 2.(x^2y^3)^4+(-x)^8(y^6)^2 3.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^3
4.(ab^2)^3-(ab)^3×b^3要有过程
1.-(2ab)^3+3ab×a^2b^2 2.(x^2y^3)^4+(-x)^8(y^6)^2 3.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^34.(ab^2)^3-(ab)^3×b^3要有过程
1.-(2ab)^3+3ab×a^2b^2
=-8a^3b^3+3a^3b^3
=-5a^3b^3
2.(x^2y^3)^4+(-x)^8(y^6)^2
=x^8y^12+x^8y^12
=2x^8y^12
3.(-3a^2)^3×a^3+(-4a)^2a^7-(5a^3)^3
=-27a^9+16a^9-125a^9
=-136a^9
4.(ab^2)^3-(ab)^3×b^3
=a^3b^6-a^3b^6
=0
a^2-3ab+b^2/ab=( )/ab-3
a^2-3ab+b^2/ab=( )/ab -3
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
1.(a^2b-ab)-(ab^2+ab)+2(ab^2+ba)2.2(a^2-2ab)-3(-2/3a^2-ab)
3ab{(-2ab)平方-3b(ab-a平方b)+ab平方}算出来多少Rt
计算:2ab[(2ab)²-3b(ab+a²b)-ab²]
ab/a+b=3 a-2ab+b/2a-3ab+2b?
(a-b)^3+2ab(a-b)
求3ab(a^b+ab^2-ab)-ab^2(2a^2+3ab-2a)的值
3ab(a²b-ab²-ab)-ab²(2a²-3ab+2a)
3ab(a²b-ab²-ab)-ab²(2a²-3ab+2a)
3ab·(a²b-ab²+ab)-ab²(2a²-3ab+2a)
3ab(a²b-ab²-ab)-ab²(2a²-3ab+2a)
-ab(a^2b^5-ab^3-b)
3(-2ab+3a)-(2a-b)+6ab
3(-ab+2a)-(3a-b)+2ab
3(-ab+2a)-(3a-b)+3ab
化简:(-2ab+3a)-(2a-b)+6ab