👤

(7 la puterea 4+2×7 la puterea 5+3×7 la puterea 6)÷162

Răspuns :

(7⁴+2×7⁵+3×7⁶)÷162 =
=
7⁴×(1+2×7+3×7²)÷162 =
=7⁴×(1+14+3×49)÷162 =
=7⁴×(15+147)÷162 =
=7⁴×162÷162 =7