1) 9 + (-1 1/2) = 7 1/22) 8 + (-2 5/7) = 5 2/73) 5 + (-6 2/3) = -1 2/34) -4 2/5 + 3,4 = -1 4/55) -9,75 + 2 3/4 = -7 1/46) -6,5 + 3 1/2 = -37) 4 1/2 + (-3) = 1 1/28) 7 2/3 + (-9) = -1 1/39) 2 4/5 + (-6) = -3 1/5
1) 9 + (-1 1/2) = 7 1/2
2) 8 + (-2 5/7) = 5 2/7
3) 5 + (-6 2/3) = -1 2/3
4) -4 2/5 + 3,4 = -1 4/5
5) -9,75 + 2 3/4 = -7 1/4
6) -6,5 + 3 1/2 = -3
7) 4 1/2 + (-3) = 1 1/2
8) 7 2/3 + (-9) = -1 1/3
9) 2 4/5 + (-6) = -3 1/5