а) (44 – 28 – 5 + 3) = (16 - 5 + 3) = 14б) – (– 19 + 11 – 17 + 6) = -(-19 + 11 - 17 + 6) = -(-19 + 11 - 17 + 6) = -1в) 21 + (6 + 17 – 3) = 21 + (23 - 3) = 21 + 20 = 41г) 36 – (16 + 18 – 20) = 36 - (34 - 20) = 36 - 14 = 22д) 58 – (18 – 15 + 10) = 58 - (3 + 10) = 58 - 13 = 45
а) 28 - 60 + 50 = (28) - (60) + (50)б) -71 - 18 + 19 = -(71) - (18) + (19)в) -14 - 15 - 2 = -(14) - (15) - (2)
а) 28 - 60 + 50 = 28 - (60) + 50б) -71 - 18 + 19 = -71 - (18) + 19в) -14 - 15 - 2 = -14 - (15) - (2)
а) (44 – 28 – 5 + 3) = (16 - 5 + 3) = 14
б) – (– 19 + 11 – 17 + 6) = -(-19 + 11 - 17 + 6) = -(-19 + 11 - 17 + 6) = -1
в) 21 + (6 + 17 – 3) = 21 + (23 - 3) = 21 + 20 = 41
г) 36 – (16 + 18 – 20) = 36 - (34 - 20) = 36 - 14 = 22
д) 58 – (18 – 15 + 10) = 58 - (3 + 10) = 58 - 13 = 45
а) 28 - 60 + 50 = (28) - (60) + (50)
б) -71 - 18 + 19 = -(71) - (18) + (19)
в) -14 - 15 - 2 = -(14) - (15) - (2)
а) 28 - 60 + 50 = 28 - (60) + 50
б) -71 - 18 + 19 = -71 - (18) + 19
в) -14 - 15 - 2 = -14 - (15) - (2)