а) -462+3682 = -92 + 2952 = 2860
б) -840+39-(48-846) = -840 + 39 - (-798) = -840 + 39 + 798 = -801 + 798 = -3
а) -462+3682 = -92 + 2952 = 2860
б) -840+39-(48-846) = -840 + 39 - (-798) = -840 + 39 + 798 = -801 + 798 = -3