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c=4+(4+4×2+4×3+4+4+4×5)​

Răspuns :

c=4+(4+4×2+4×3+4+4+4×5)

c=4+(4+8+12+4+4+20)

c=4+52

c=56

Răspuns:

[tex]4 + (4 + 8 + 12 + 4 + 4 + 20) = \\ = 4 + (12 + 12 + 28) = \\ = 4 + (24 + 28) = \\ = 4 + 52 = \\ = 56[/tex]