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calculeaza.Efectuiaza proba prin operatia inversa. 25+37.
41-25.
24+46
80-43
49-31
50-18.​

Răspuns :

Anime21ask

Răspuns:

25+37=62

62-37=25

41-25=16

16+25=41

24+46=70

70-46=24

80-43=37

37+43=80

49-31=18

18+31=49

50-18=32

32+18=50

Tilihidanyask

Răspuns:

25+37=62proba 62-25=37

41-25 =16proba 16+25=41

24+43=67proba 67-43=24

80-43=37proba 37+43=80

49-31=18proba 18+31=49

50-18=32proba 32+18=50

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