16 : 8 = 2; 14 · 4 = 56; 49 : 7 = 7; 6 · 3 = 18; 48 : 24 = 2; 4 · 5 = 20; 61 + 11 = 72; 78 − 21 = 57; 56 : 7 = 8; 63 − 36 = 27; 33 + 56 = 89; 5 · 21 = 105; 100 : 5 = 20; 192 : 8 = 24; 126 : 7 = 18; 198 : 9 = 22; 20 : 4 = 5; 78 − 23 = 55; 0 + 98 = 98; 3 · 7 = 21.