Show:
2 digit by 1 digit
3 digit by 1 digit
4 digit by 1 digit
2 digit by 2 digit
100

23x2

46

100

124x2

248

100

1213x2

2426

100

12x11

132

200

34x3

102

200

213x3

639

200

2104x3

6312

200

21x12

252

300

45x4

180

300

342x4

1368

300

3212x4

12848
300

23x14

322

400

62x5

310

400

415x5

2075

400

4321x5

21605

400

32x15

480

500

78x6

468

500

628x6

3768

500

5426x6

32556

500

43x26

1118