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Asociati fiecarei expresii din coloana A raspunsul corect din coloana B
A)5×23-5×3
27+27×99
35×12-35×2
B)2700
400
100
350


Răspuns :

5×23-5×3=115-15=100

27+27×99=27+2 673=2 700

35×12-35×2=420-70=350
A)5×23-5×3 B)100
27+27×99 2700
35×12-35×2 350
100