1) -8,4 + 5,9 = -2,5
2) 3,2 + (-9) = -5,8
3) -5 1/2 +( -2 3/4) = -8,25
4) -10 + 10 = 0
5) - 6 + (-1,3) = -7,3
6) -2 1/3 + 3 = 2/3
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Answers & Comments
1) -8,4 + 5,9 = -2,5
2) 3,2 + (-9) = -5,8
3) -5 1/2 +( -2 3/4) = -8,25
4) -10 + 10 = 0
5) - 6 + (-1,3) = -7,3
6) -2 1/3 + 3 = 2/3