Ответ:
20 : 4 = 5; 40 : 5 = 8; 12 : 2 = 6; 30 : 5 = 6; 35 : 7 = 5.
7 · 8 = 56; 3 · 6 = 18; 9 · 4 = 36; 12 : 4 = 3; 18 : 3 = 6.
72 : 9 = 8; 2 · 5 = 10; 7 · 7 = 49; 8 · 6 = 48; 3 · 5 = 15.
8 · 8 = 64; 10 : 2 = 5; 56 : 7 = 8; 63 : 7 = 9; 35 : 5 = 7.
42 : 7 = 6; 30 : 5 = 6; 54 : 9 = 6; 9 · 8 = 72; 4 · 3 = 12.
