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Afla suma apoi diferenta nr 34si20,46si23,57si42,72si17,86si3,25si4

Răspuns :

34+20=54
46+23=69
57+42=99
72+17=89
86+3=89
25+4=29
34-20=14
46-23=23
57-42=15
72-17=55
86-3=83
25-4=21
34+20=54 34-20=14
46+23=69 46-23=23
57+42=99 57-42=15
72+17=89 72-17=55
86+3=89 86-3=83
25+4=29 25-4=21