Решение:
- (987 - 879) × 6 = 108 × 6 = 648
- 900 - 139 × 5 = 900 - 695 = 205
- 2 × (293 + 62) = 2 × 355 = 710
- 4 × 197 - 189 = 788 - 189 = 599
- 3 × 242 + 824 : 4 = 726 + 206 = 932
- (4 × 209 - 228) : 8 = (836 - 228) : 8 = 608 : 8 = 76
Ответ: 648; 205; 710; 599; 932; 76