Question

Scrieti urmatoarele numere sub forma de produs, utilizand factor comun:
$3 \times 5 {}^{47} + 2 \times 5 {}^{48} + 6 \times 5 {}^{49}$

Answer 1

5^47(3×1+2×5+6×5^2)
5^47(3+10+150)
5^47×163=