Тема 1. ДРОБОВІ ВИРАЗИ » 3.12

Спростіть вираз: 1) a/(x-1) + 5/(1-x) = a/(x-1) – 5/(x-1) = (a-5)/(x-1); 2) m/(c-3) – p/(3-c) = m/(c-3) + p/(c-3) = (m+p)/(c-3); 3) 5x/(x-y) + 5y/(y-x) = 5x/(x-y) – 5y/(x-y) = (5(x-y))/(x-y) = 5; 4) 10p/(2p-m) + 5m/(m-2p) = 10p/(2p-m) – 5m/(2p-m) = (10p-5m)/(2p-m) = (5(2p-m))/(2p-m) = 5.