1) в=329 (218+329)-416=547-416=131
2) в=582 (218+582)-416=384
3) в=144 (218+144)-416=362-416=-54
4) в=416 (218+416)-416=218
1. 7..8..4*7 + 2000 = 2028
7..8..4*7 + 2000 = 2028
7..8..4*7 + 2000 = 2028
(7 - 8)*(-4)*7 + 2000 = 2028
(-1)*(-28) + 2000 = 2028
28 + 2000 = 2028
2028 = 2028
2. 90000...300:3...8 = 90109
90000 + 100 + 8 = 90108
А)1662:7=237(ост.4)
Б)4764:5=952(ост.8)
В)3458:4=864(ост.5)