1)-25,7+(-13,75)=-39,45
2)-17,5+(-6,5)=-24
3)-8,8+(-13 5/7)=-23,5
4)-2 4/15 + (-4 7/12) = -6 51/60
5)-6,25+ (-15,25)= -21,5
5)-0,09+(-8,2)=-8,29
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Answers & Comments
1)-25,7+(-13,75)=-39,45
2)-17,5+(-6,5)=-24
3)-8,8+(-13 5/7)=-23,5
4)-2 4/15 + (-4 7/12) = -6 51/60
5)-6,25+ (-15,25)= -21,5
5)-0,09+(-8,2)=-8,29