Question

1 13/90-5,3=
1/30-5/6-18,9-2,2-25,3=
-(-7 1/16)-5 3/4 + 1 1/8=
10 5/8 -12 4/4-(-0,035-0,04)=?

Answer 1

1 34
2 69
3 947
4. 56,76