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3x5la47+2x5la48+6x5la49

Răspuns :

5la47( 3+2*5 + 6*5la2) = 5la47*163

3 x 5⁴⁷ + 2 x 5⁴⁸ + 6 x 5⁴⁹ = 5⁴⁷ x 163

= 5⁴⁷ x ( 3 + 2 x 5 + 6 x 5² ) =

= 5⁴⁷ x ( 3 + 10 + 150 ) =

= 5⁴⁷ x 163