4742+42153 = 1974 + 6426 = 8405781-7157 = 4597 - 4047 = 556145+5562 = 2745 + 3410 = 61539138-13739 = 5382 - 5343 = 39
Ответ: 8400, 550, 6155, 39
4742+42153 = 1974 + 6426 = 840
5781-7157 = 4597 - 4047 = 55
6145+5562 = 2745 + 3410 = 615
39138-13739 = 5382 - 5343 = 39
Ответ: 8400, 550, 6155, 39