Ответ:

30 : 6 = 5; 60 − 29 = 31; 85 : 5 = 17; 53 + 36 = 89; 20 + 55 = 75; 38 : 2 = 19; 2 · 49 = 98; 30 : 5 = 6; 64 : 16 = 4; 77 − 22 = 55; 14 · 4 = 56; 38 − 17 = 21; 40 + 39 = 79; 37 + 2 = 39; 70 : 5 = 14; 87 − 21 = 66; 130 : 13 = 10; 144 : 18 = 8; 240 : 24 = 10; 126 : 21 = 6.