Вправи 301 - 400 » 364

364. Винесіть за дужки 5–2: 1) 5–2 + 154 = 5–2 + 54 • 34 = 5–2(1 + 56 • 34); 2) 2 • 5–2 – 3 + 10–2 = 2 • 5–2 – 3 • 5^(-2)/5^(-2) + 5–2 • 2–2 = 5–2(2 – 3/5^(-2) + 2–2) = 5–2(2 – 3 • 25 + 1/4) = 5–2(2 – 75 + 0,25); 3) 25–3 – 8 • 5–2 = (52)–3 – 8 • 5–2 = 5–6 – 8 • 5–2 = 5–2(5–4 – 8); 4) 5–6 + 5–2 – 5–2+m = 5–2 • 5–4 + 5–2 + 5–2 • 5m = 5–2(5–4 + 1 + 5m).