Question

плиз соедините равные дроби ​

Answer 1

$1)\frac{a^{2}+ab }{ab+b^{2} }=\frac{a}{b} \\\\\\2)\frac{2x-3y}{4x^{2}-9y^{2}} =\frac{1}{2x+3y}\\\\\\3)\frac{a^{2}-6ab+9b^{2}}{a^{2}-9b^{2}} =\frac{a-3b}{a+3b}$