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Solve one problem each day

Tuesday, 22 february 2022

Exercitii pentru ... acasa (IV)

Proposed by lucipetOffline
(15 comments)6.558 times displayed

1.  Calculati lungimea coardei de culoare rosie, in functie de marimea segmentelor din desen.

2.    Se dau numerele naturale  a, b, c, d  diferite de zero, astfel ca
                ad = bc

    Poate fi    x = a + b + c + d numar prim  ?

3. Urmatorul rand, care reprezinta produsul a doua numere,  nu a fost redactat complet.

    2 5    x   3 1 4   = 1 0 2 7 4

Cum se poate restabili o egaliate adevarata daca se remediaza eroare de editare ?


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