Ответ:
а) 34 + 25 = 59, 172 + 28 = 200, 592 + 37 = 629, 4587 + 764 = 5351.
б) 24 - 3 = 21, 302 - 7 = 295, 26 - 37 = -11, 45 - 206 = -161, 2052 - 38 = 2014.
в) 35 : 7 = 5, 84 : 4 = 21, 608 : 8 = 76, 102 : 19 = 5.37, 2052 : 38 = 54.
г) 13 * 4 = 52, 73 * 18 = 1314, 78 * 549 = 42822.