addition
subtraction
multiplication
division
random
100

17+10

27

100

21-10

11

100

12x10

120

100

64/8

8

100

50+20

70

200

39+21

60

200

50-33

17

200

22x14

308

200

100/25

4

200

1+1

3

300

53+36

89

300

45-28

17

300

16x25

400

300
108/9

12

300

2.5x3.3

8.25

400
78+33

111

400
69-57

12

400

56x16

896

400

30/12

2.5


400

750/15

50

500

90+83

173

500

63-98

-35

500

80x90

7,200

500

50/4

12.5

500

50/18

2.777777778