Вправи 401 - 500 » 415

6 • (5 + 3) < 6 • 9; (12 – 3) • 7 < 8 • 8; 5 • (10 – 3) > 5 • 6; (2 + 7) • 8 > 8 • 7; 7 • (10 – 4) < 7 • (10 – 3); 5 • (9 – 2) = (9 – 2) • 5.