Afla numerele necunoscute:Rezolvarea)81 : x = 3 x 381 : x = 9x = 81 : 9x = 9
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b)48 + x : 5 = 5048 x 5 + x = 50 x 5240 + x = 250x = 250 - 240x = 10c)50 - 80 : x = 4080 : x = 50 - 4080 : x = 10x = 80 : 10x = 8
Probleme rezolvate matematica clasa 3Probleme si exercitii rezolvate
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