Ответ:
Вычисляем произведения и частные:
24 : 8 = 3; 21 : 7 = 3; 72 : 8 = 9.
54 : 6 = 9; 18 : 6 = 3; 8 : 2 = 4.
45 : 9 = 5; 25 : 5 = 5; 9 · 8 = 72.
8 · 9 = 72; 6 · 6 = 36; 4 : 2 = 2.
9 · 5 = 45; 8 · 5 = 40; 28 : 4 = 7.
30 : 5 = 6; 8 · 6 = 48; 4 · 1 = 4.
3 · 9 = 27; 90 : 9 = 10; 80 : 10 = 8.
8 · 3 = 24; 48 : 8 = 6; 54 : 6 = 9.
1 · 7 = 7; 2 · 6 = 12; 9 : 9 = 1.
8 · 8 = 64; 6 · 5 = 30; 15 : 3 = 5.
7 · 2 = 14; 56 : 8 = 7; 30 : 3 = 10.
42 : 7 = 6; 14 : 2 = 7; 12 : 2 = 6.
4 · 8 = 32; 6 · 7 = 42; 18 : 2 = 9.
9 · 9 = 81; 18 : 3 = 6; 16 : 4 = 4.
36 : 6 = 6; 4 · 6 = 24; 1 · 3 = 3.
7 · 9 = 63; 1 · 2 = 2; 81 : 9 = 9.
