Question

Rezultatul calculului 1/1×2+1/2×3+1/3×4

Answer 1

1/1×2+1/2×3+1/3×4=

2/1+3/2+4/3=

12/6+9/6+8/6=

29/6

Answer 2

$\dfrac{1}{1} \cdot2 + \dfrac{1}{2} \cdot3 + \dfrac{1}{3} \cdot4 =$

$\dfrac{2}{1} + \dfrac{3}{2} + \dfrac{4}{3}=$

$\dfrac{2 \cdot6 + 3 \cdot3 + 4 \cdot2}{6} =$

$\dfrac{12 + 9 + 8}{6} =$

$\boxed{ \bf \dfrac{29}{6}}$