Show:
2 by 2 multiplication
3 by 1 multiplication
1 by 2 multiplication
2 by 1 division
3 by 1 division
100

26x26

676

100

689x4

2756

100

28x9

252

100

56/5

11 r1

100

138/ 3

46

200

35x48

1,680

200

287x6

1,722

200

57x4

228

200

71/4

17 r3

200

158/5

31 R 3

300

50x27

1,350

300

345x5

1,725

300

49x5

245

300

81/3

27

300

198/ 7

28 R2

400

40x11

440

400

489x4

1,956

400

99x9

891

400

35/9

3r8

400

360/6

60

500

13x26

338

500

362x3

1,086

500

74x8

592

500

63/6

10r3

500

432/9

48