50 * (х : 16) = 40150 х : 16 = 40150 : 50 х : 16 = 803 х = 803 * 16 х = 12 848 -------------------------------------- 50 * (12848 : 16) = 40150 50 * 803 = 40150 40150 = 40150 2700 + у * 400 = 170700 у * 400 = 170700 - 2700 у * 400 = 16800 у = 16800 : 400 у = 420 ----------------------------------------- 2700 + 420 * 400 = 170700 2700 + 16800 = 170700 170700 = 170700 (12300 - 30) : к = 30 12270 : к = 30 к = 12270 : 30 к = 409 ------------------------------------ (12300 - 30) : 409 = 30 12270 : 409 = 30 30 = 30 (а + 109) * 30 = 6510 а + 109 = 6510 : 30 а + 109 = 217 а = 217 - 109 а = 108 ---------------------------------- (108 + 109) * 30 = 6510 217 * 30 = 6510 6510 = 6510 d - (1240 * 13) = 1260 d - 16120 = 1260 d = 1260 + 16120 d = 17380 ----------------------------------------- 17380 - (1240 * 13) = 1260 17380 - 16120 = 1260 1260 = 1260 n + 1240 = 1060 * 20 n + 1240 = 21200 n = 21200 - 1240 n = 19960 --------------------------------------- 19960 + 1240 = 1060 * 20 21200 = 21200