1st grade
2 grade
3 grade
4 grade
Others
100

2+2=

4

100

16-4=

12

100

1x1=

1

100

3 / 1 =

3

100

12x3=

36

200

10-4=

6

200

22+3=

25

200

2x4=

8

200

2 / 4 =

2

200

1+1=

2

300

3+7=

10

300

32+4=

36

300

3x3=

9

300

16 / 4 =

4

300

5x5=

25

400

15-5=

10

400

50-20=

30

400

10x10

100

400

12 / 12 =

1

400

2+6=

8

500

20-10=

10

500

60-30=

30

500

12x12=

144

500

12x12=

144

500

100 / 100

1

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