Вправи 301 - 400 » 376

376. Запишіть як степінь з натуральним показником: 1) (1/(a-2))–1 = a – 2; 3) (1/abc)–1 = abc; 5) (1/(ac-p))–1 = ac – p; 7) (1/(a+8))–1 = (a+8)/a; 9) (cd/ab)–1 = ab/cd; 11) ((x^2-1)/(x^2+1))–1 = (x^2+1)/(x^2-1); 2) (1/xy)–1 = xy; 4) (1/(m+n))–1 = m + n; 6) (1/(pm- n^2 ))–1 = pm – n2; 8) (x/zy)–1 = zy/x; 10) ((n- m)/(m+ n))–1 = (m+ n)/(n- m); 12) ((n^2+m^2 )/(m^2-n^2 ))–1 = (m^2-n^2)/(n^2+m^2 ).