Show:
2 digit addition
2 digit subtraction
3 digit addition
3 digit subtraction
4 digit
100

27 + 45

72

100

64-29

35

100

125+234

359
100

762−245

517

100

1234+5678

6912

200

36+58

94

200

82-37

45

200

456+321

777

200

894−367

527

200

4321-1234

3087

300

49+86

135

300

91-48

43

300

312+479

791

300

543−219

324

300

4567+7890

12457

400

78+47

125

400

73-29

44

400

789+198

591

400

800-586

214

400

8000-2597

5403

500

89+76

165

500

56-27

29

500

654+347

307

500

932-478

454

500

8675+8789

17464