1
2
3
4
5
100

198 + 481

679

100

999-782

217

100

872 + 123

995

100

570 + 110

680

100

I have 2 sets of 9

18

200

526 - 456

70

200

712- 253

459

200

I have 8 sets of 3

24

200

637- 356

281


200

1289- 918

371

300

278 + 728

1006

300

I have 4 sets of 50

200

300

7 x 9 

63

300

30 X 5

150

300

1078 + 1278

2356

400

12950 - 6532

6418

400

I have 15 sets of 3 

45

400

I have 3 sets of 3

9

400

309302 - 82938

226364

400

4642 + 8956

13598

500

40 X 20 

800

500

45 x 4

180

500

13 x 12

156

500

13598 + 64644

78242

500

78274 - 65324

12950