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a fost răspuns

Calculeaza apoi verifica prin adunare si prin scadere 57+38,98-49,37+37,56-27,81-65,36+29,93-48,67-39!

Răspuns :

Dorofteielena60
57+38=95
95-38=57
98-49=49
49+49=98
37+37=74
74-37=37
56-27=29
29+27=56
81-65=16
16+65=81
36+29=65
65-29=36
93-48=45
45+48=93
67-39=28
28+39=67

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