Show:
Addition 2 digit
Subtraction 3 digits
Addition 3 digits
Subtraction 2 digit
100

25+10

35

100

520-420

100

100

200+600

800

100

50-35

15

200

45+23

68

200

630-320

310

200

342+250

592

200

64-35

29

300

27+19

46

300

552-438

114

300

642+542

1,184

300

87-22

65

400

96+69

165

400

867-792

75

400

723+852

1,575

400

85-16

69

500

86+58

144

500

893-622

271

500

989+898

1,887

500

78-59

19