Частина 1. Номер 437
7 · 7 – 6 = 49 – 6 = 43;
7 · 6 – 6 = 42 – 6 = 36;
28 : 7 + 24 = 4 + 24 = 28;
63 : 7 + 28 = 9 + 28 = 37;
7 · 3 + 32 = 21 + 32 = 53;
7 · 9 – 39 = 63 – 39 = 24;
14 : 7 + 27 = 2 + 27 = 29;
49 : 7 + 28 = 7 + 28 = 35.
7 · 7 – 6 = 49 – 6 = 43;
7 · 6 – 6 = 42 – 6 = 36;
28 : 7 + 24 = 4 + 24 = 28;
63 : 7 + 28 = 9 + 28 = 37;
7 · 3 + 32 = 21 + 32 = 53;
7 · 9 – 39 = 63 – 39 = 24;
14 : 7 + 27 = 2 + 27 = 29;
49 : 7 + 28 = 7 + 28 = 35.