1) 0.3 - (0.7 - 2) = 0.3 - (-1.3) = 0.3 + 1.3 = 1.6
2) 3 - (4 + 5) = 3 - 9 = -6
3) 2.5 + (0.4 - 1) = 2.5 + (-0.6) = 1.9
4) 10 - (8.7 - 1.2) = 10 - 7.5 = 2.5
5) 0.9 + (6 - 9.3) = 0.9 + (-3.3) = -2.4
6) 6.3 - (7 - 0.8) = 6.3 - 6.2 = 0.1
1) 0.3 - (0.7 - 2) = 0.3 - (-1.3) = 0.3 + 1.3 = 1.6
2) 3 - (4 + 5) = 3 - 9 = -6
3) 2.5 + (0.4 - 1) = 2.5 + (-0.6) = 1.9
4) 10 - (8.7 - 1.2) = 10 - 7.5 = 2.5
5) 0.9 + (6 - 9.3) = 0.9 + (-3.3) = -2.4
6) 6.3 - (7 - 0.8) = 6.3 - 6.2 = 0.1