Б) -2 1/6 - (-3) = -2 1/6 + 3 = -2 + 3 - 1/6 = 1 5/6
в) 7 5/8 - 9 1/4 = (7 + 5/8) - (9 + 1/4) = 7 + 5/8 - 9 - 1/4 = 7 - 9 + 5/8 - 1/4 = -2 + 0.625 - 0.25 = -1.375
г) -4.13 - 2.1 = -6.23
д) -1.5 - (-0.3) + 1.7 = -1.5 + 0.3 + 1.7 = -1.2 + 1.7 = 0.5
Б) -2 1/6 - (-3) = -2 1/6 + 3 = -2 + 3 - 1/6 = 1 5/6
в) 7 5/8 - 9 1/4 = (7 + 5/8) - (9 + 1/4) = 7 + 5/8 - 9 - 1/4 = 7 - 9 + 5/8 - 1/4 = -2 + 0.625 - 0.25 = -1.375
г) -4.13 - 2.1 = -6.23
д) -1.5 - (-0.3) + 1.7 = -1.5 + 0.3 + 1.7 = -1.2 + 1.7 = 0.5