Question

Calculați: 2^-1+3^-1+6^-1

Answer 1

1/2+1/3+1/6 amplificam pe 1/2 cu 3 si pe 1/3 cu 2

3/6+2/6+1/6=6/6=1

Answer 2

2⁻¹ + 3⁻¹ + 6⁻¹ =

= 1/2 + 1/3 + 1/6

= (3 + 2 + 1)/6

= 6/6

= 1