Question

ex.7 pls dau coroana
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Answer 1

Răspuns:

a) 5*4+6*5= 50 lei

b) 23*3 = 69

Answer 2

$\it a)\ 23 \ (elevi)+1\ (doamna) = 24\ persoane.\\ \\ 24:3=8;\ \ 8\cdot6=48\ \ell ei\ (folosind\ cea\ mai \ bun\breve a\ ofert\breve a)\\ \\ b)\ 24\cdot3 = 72\ \ell ei\ ( ar\ fi\ costat\ f\breve ar\breve a\ ofert\breve a)$