Частина 1. Номер 200

35 : 5 + 36 : 6 = 7 + 6 = 13;

40 – 42 : 6 = 40 – 7 = 33;

48 + 36 : 9 = 48 + 4 = 52;

5 · 8 + 6 · 7 = 40 + 42 = 82;

6 · 3 + 6 · 3 = 18 + 18 = 36;

8 · 7 – 9 · 4 = 56 – 36 = 20;

(24 + 30) : 6 = 54 : 6 = 9;

(72 – 24) : 6 = 48 : 6 = 8;

3 · (70 – 65) = 3 · 5 = 15.