Question

ПОМОГИТЕ ПО БРАТСКИ!!!

Answer 1

Ответ:

1, 2, 3, 5

Объяснение:

Answer 2

$1)\frac{11u}{6k-7u}\\\\-\frac{17k}{6k-7u}\\\\\\2)\frac{-11u}{7u-6k}\\\\\frac{17k}{7u-6k}\\\\\\3)-\frac{11u}{7u-6k}\\\\\frac{17k}{7u-6k}\\\\\\5)\frac{11u}{6k-7u}\\\\\frac{-17k}{6k-7u}$