Условие:

1)
27 + 4;
426;
839;
15 + 8;
647;
215;
5 + 48;
7 + 93.
2)
827;
636;
946;
528;
737;
968;
847;
569.

27 + 4 = 31;
426 = 36;
839 = 74;
15 + 8 = 23;
647 = 57;
215 = 16;
5 + 48 = 53;
7 + 93 = 100.