Show:
add
subtraction
basic multiplication
2x1 multiplication
2x2 multiplication
100

23 + 64 

87

100

56-14

42

100

8x3

24

100

4x25

100

100

13x24

312

200

347+452

799

200

67-67

0

200

4x4

16

200

73x6

438

200

58x67

3,886

300

129+23

152

300

67-19

48

300

5631x1

5631

300

28x9

252

300

93x21

1,953

400

148+171

319

400

809-357

452
400

5x0

0

400
3x26

78

400

45x72

3,240

500

389+211

600
500

723-147

576

500

11x12

132

500

17x5

85

500

99x99

9,801