Question

3целых 3/7 * 3 целых 1/2 :(1 целую 1/11 - 27/55)

Answer 1

3 3/7*3 1/2:(1 1/11-27/55)=20

1) 1 1/11-27/55=1 5/55-27/55=60/55-27/55=33/55=3/5

2) 3 3/7*3 1/2=24/7*7/2=12

3) 12:3/5=12*5/3=20