Розділ 1. РАЦІОНАЛЬНІ ВИРАЗИ » 10.10

10.10 Обчисліть: 1) 27 • 2–6 = 21 = 2; 3) (1/4)–5 • (1/4)4 = (1/4)–1 = 4; 5) 38 : 39 = 3–1 = 1/3; 7) 9 : 9–7 = 92 = 81; 9) (2–2)3 = 2–6 = 1/2^6 = 1/64; 2) 5–3 • 5 = 5–2 = 1/5^2 = 1/25; 4) (1/2)–8 • (1/2)5 = (1/2)–3 = (2/1)3 = 8; 6) 7–15 : 7–16 = 71 = 7; 8) (1/15)–15 : (1/15)–15 = (1/15)0 = 1; 10 ((1/2)–1)–2 = (1/2)2 = 1/4; 11) (0,1)–1)4 = (0,1)–4 = (1/10)–4 = 104 = 10000; 12) ((1/19)–8)0 = (1/19)0 = 1.