Question

3 4/9:(1 5/9-4/7)=
решите пожалуйста

Answer 1

3 4/9:(1 5/9-4/7)=3 1/2

1) 1 5/9-4/7=1 35/63-36/63=98/63-36/63=62/63

2) 3 4/9:62/63=31/9:62/63=31*63/9*62=7/2=3 1/2