addition
subtraction
multiplication
division
10

2+1=?

2+1=3

10

4-2=?

4-2=2

10

2x2=?

2x2=4

10

6/2=?

6/2=3

20

10+11=?

10+11=21

20

11-6=?

11-6=5

20

5x4=?

5x4=20

20

9/3=?

9/3=3

30

22+15=?

22+15=37

30

25-9=?

25-9=16

30

3x5=?

3x5=15

30

24/8=?

24/8=3

40

43+31=?

43+31=74

40

32-17=?

32-17=15

40

9x6=?

9x6=54

40

36/6=?

36/6=6

50

16+__=41

16+25=41

50

44-__=12

44-32=12

50

3x__=36

3x12=36

50

48/__=6

48/8=6

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