(3 1/3+5/16)*2/5-2 3/4:(1 1/2-2/5
(((31)/(3))+((5)/(16)))*((2)/(5))-((23)/(4))/(((11)/(2))-((2)/(5)))=((2129)/(680))
(*・x・)/≈≈>Воть решение↑