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100

11/9+2/3

18/9

100

2*7/9

-15/9

100

19/20-7/20

3/5

100

-3/-1/4

12

200

3/4+9/7

21/28

200

11/7*1/10

4/10

200

9/10-1/4

13/20

200

8/5/22/3

3/5

300

-5/6+3/8

11/24

300

-12/3*-12/3

-21/9

300

11/12-3/12

2/3

300

11/7/-1/4

44/7

400

-12+7/5

103/5

400

21/2*11/2

33/4

400

-21/7-14/5

333/35

400

12/11/2

8

500

22/3+61/8

819/24

500

-31/7*3/4

25/14

500

-321/2-83/5

41/10

500

31/3/4/21

171/2