Show:
addition
subtraction
multiplication
division
100

450+350

800

100

400-199

201

100

6x2

12

100

10/2

5

200

475+150

625

200

1,100-655

445

200

8x3

24

200

9/3

3

300
516+281

797

300

2,833-1,346

1,487

300

7x8

56

300

16/4

4

400

317+1,054

1,371

400

6,561-2,237

4,324

400

12x11

132

400

27/3

9