Распредели элементы

Сократи дроби:

• \(\dfrac{a^3+2b^8}{4a^4+3b^5}\)
• \(\dfrac{a^3c^3+2b^8}{4a^4+3b^5c^4}\)
• \(\dfrac{a^3c^3+2b^4}{4a+3b^4c^4}\)

1. \(\dfrac{4a^3c^5+8b^8c^2}{16a^4c^2+12b^5c^6}=\) [ ].

• \(\dfrac{4y^3-5x^3}{5xy^2+6}\)
• \(\dfrac{4xy^3-5x^3y}{5xy^2+6}\)
• \(\dfrac{4y^3-5x^3}{5xy^2+6xy}\)

2. \(\dfrac{12x^3y^7-15x^6y^4}{18x^3y^4+15x^4y^6}=\) [ ].