Adding 2 digit numbers
Adding 3 digit numbers
100

45+10=

55

100

100+100=

200

200

67+20=

87

200

491+213=

704

300

55+26=

81

300

 400+324=

724

400

27+14=

41

400

236+136=

372

500

66+25

91

500

617+210=

827

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