Задача Задача №3318271
А
А
3960
Tip: 3673 + 287 = (3673 + 200) + (80) + 7 = 3873 + 80 + 7 = 3960. If you want, I can show similar quick checks.
3960
Tip: 3673 + 287 = (3673 + 200) + (80) + 7 = 3873 + 80 + 7 = 3960. If you want, I can show similar quick checks.