1) 5 1/3 + 3 4/5) = - 1 8/15
2) -2,8 - 0,8 = (-2,8) + (0,8) = -3,6
3) -1 8/15 - (- 3,6) = -1 8/15 + 3,6 = 5 2/15
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Answers & Comments
1) 5 1/3 + 3 4/5) = - 1 8/15
2) -2,8 - 0,8 = (-2,8) + (0,8) = -3,6
3) -1 8/15 - (- 3,6) = -1 8/15 + 3,6 = 5 2/15