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calculati si efectuati proba prin operatia inversa 29+15=44 63-27=36 44+38=82 75-68=7



Răspuns :

29+15=44=>44-15=29
63-27=36=>36+27=63
44+38=82=>81-38=44
75-68=7=>7+68=75
sper ca te-am ajutat ;)
44-15=29 36+27=63 82-38=44 7+68=75