Addition
Subtraction
100

5 + 2 = ?

7

100

6 - 3 = ?

3

200

11 + 7 = ?

18

200

10 - 6 = ?

4

300

16 + 18 = ?

34
300

20 - 12 = ?

8

400

121 + 12 = ?

133

400

20 - 18 = ?

2

500

233 + 457 = ?

690

500

130 - 25 = ?

105

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