addition
subtraction
Times
add and sub
100

6+10

16 

100

7-4

3

100

0x100

100

(6-3)+3

6

200

7+2

9

200

8-6

2

200

2x4

8

200

(4+4)-6

2

300

2+2+2+2

8

300

10-7

3

300

5x3

15

300

(6+6)-2

10

400

6+2+2+2

12

400

14-8

6

400

9x4

36

400

(4+5)-5

4

500

7+3+3+3

16

500

17-8

9

500

9x8

72

500

(6+9)-5

10

M
e
n
u