Question

Помогите срочьно
1/4×4 3/4×16/57+(4 3/4+1 2/3)×16/21+2/27×4 1/2=

Answer 1

1/4*19/4*16/57+(19/4+5/3)*16/21+2/27*9/2=1/3+77/12*16/3+1/3=1/3+44/9+1/3=5.5556