Вправи 301 - 400 » 369-371

369. 9 • 4 = 36; 9 • 6 = 54; 9 • 8 = 72; 9 • 2 = 18; 9 • 5 = 45; 9 • 7 = 63; 9 • 3 = 27; 9 • 9 = 81; 9 • 0 = 0. 371. 18 : 9 • 7 = 14; 63 : 9 • 6 = 42; 27 : 9 • 8 = 24; 54 : 9 • 4 = 24; 72 : 9 • 8 = 64; 36 : 9 • 5 = 20; 81 : 9 • 3 = 27; 45 : 9 • 2 = 10.