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7×4la puterea35 +2×4la puterea 36-4la puterea34

Răspuns :

7·4³⁵ + 2·4³⁶ - 4³⁴=
4³⁴(7·4 +2·4² -1)=
4³⁴( 28 +2·16 - 1) =
4³⁴( 28 +32 -1) =4³⁴·59