Question

(11/4•4+19/5•5+29/6•6):(4+5+6)

Answer 1

(11+19+29):15=59/15=3,9(3)

Answer 2

($\dfrac{11}{4}$·4+$\dfrac{19}{5}$·5+$\dfrac{29}{6}$·6):(4+5+6)

($\dfrac{44}{4}$+$\dfrac{95}{5}$+$\dfrac{174}{6}$):15

(11+19+29):14=59:15=3,9(3)