Частина 2. Номер 360
5 : 5 – 6 : 6 = 0;
5 : 1 – 5 : 1 = 0;
18 · 1 = 18;
1 · 8 = 8;
450 + 120 = 570;
620 – 310 = 310;
543 + 121 = 664;
689 – 121 = 568.
5 : 5 – 6 : 6 = 0;
5 : 1 – 5 : 1 = 0;
18 · 1 = 18;
1 · 8 = 8;
450 + 120 = 570;
620 – 310 = 310;
543 + 121 = 664;
689 – 121 = 568.