Частина 2. Номер 123
900 – 500 = 400;
600 + 300 = 900;
150 – 70 = 80;
120 – 80 = 40;
40 + 60 = 100;
90 + 80 = 170;
800 – 1 = 799;
607 – 1 = 606.
900 – 500 = 400;
600 + 300 = 900;
150 – 70 = 80;
120 – 80 = 40;
40 + 60 = 100;
90 + 80 = 170;
800 – 1 = 799;
607 – 1 = 606.