АААА = 2222
ВВВ = 999
СС = 11
Д = 0
1)567+7843=7276
2415+7843=10258
2)88942-44761=44181
88942-17942=71000
3)(830+243)-674=1073-674=9684
(1712+805)-674=2517-674=1843
1) - 4,5 * 5 = - 22,5
2) - 5 5/10 * 5 1/3 = - 55/10 * 16/3 = - 880/30
3) - 22 5/10 - 880/30 = - 675/30 - 880/30 = - 1555/30 = - 51 25/30 = - 51 5/6