subtraction
addition
multiplication
division
100

13-13

0

100

34+34

68

100

8×7

56

100

123÷3

41

200

81-9

72

200

99+74

173

200

9×5

45

200

453÷3

151

300

89-56

33

300

87+36

173

300

7×6

42

300

111÷37

3

400

61-57

4

400

86+74

160

400

11×6

66

400

999÷3

333

500

42-13

29

500

65+56

121

500

10×3

30

500

871÷13

67