Show:
addition
subtraction
times table
division
Pi
100

10+10

20

100

30-20

10

100

56*80

4480

100

900*900

1

100

pi+56

59.14


200

90+10

100

200

98-76

22

300

90+60

150

300

1043-1042

1

400

98+76

173

400

309-234

75

500

900+678

1578

500

79-75

4