÷(3/5ab^3) 等于 X(3/5ab^3)
原式=
=5ab^3/4a^4b^3+10ab^3/5a^6b^3-15ab^3/10ab^5
=5/4a^3+10/5a^5-15/10b^2 上式约去相同项
=5/4a^3+2/a^5-3/2b^2
÷(3/5ab^3) 等于 X(3/5ab^3)
原式=
=5ab^3/4a^4b^3+10ab^3/5a^6b^3-15ab^3/10ab^5
=5/4a^3+10/5a^5-15/10b^2 上式约去相同项
=5/4a^3+2/a^5-3/2b^2