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

34+20=

54

100

134 + 200=

334

100

63 - 20 =

43

100

600 - 200=

400

200

34+19=

53

200

134 + 199=

333

200

63 - 22=

41

200

600 - 198=

402

300

28+40=

68

300

245 + 300=

545

300

95 - 59=

36

300

472 - 300=

172

400

28 + 38 =

66

400

245 + 298=

543

400

95 - 58

37

400

472 - 290=

182