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Calculeaza:
86+12-36+38=
98-15+14-62=
38-14-13-11=
36+11+12+10=


Răspuns :

86+12-36+38=100
98-15+14-62=35
38-14-13-11=0
36+11+12+10=69
86+12=98-36+38=62+38=100
98-15=83+14-62=97-62=35
38-14=24-13-11=11-11=0
36+11=47+12+10=59+10=69