30-23,1:(57-46 - - 20 35

Question

30-23,1:(57-46 - - 20 35

Answer 1

30-23.1:(5 7/20-4 6/35)=10 2/5

1)5 7/20-4 6/35=33/28=1 5/28

2)23.1:33/28=98/5=19 3/5

3)30-19 3/5=10 2/5

Answer 2

30-23,1:(57-46) - 20 35=

1)57-46=11

2) 23,1:11=2,1

3) 30-2,1=27,9

4) 27,9-20,35=7,55