9+
More
100
9+1
What is 10
100
16
What is 9+7
200
11
What is 9+2
200
17
What is 9+8
300
12
What is 9+3
300
18
What is 9+9
400
14
What is 9+5
400
9+10
What is 19
500
15
What is 9+6
500
9+12
What is 21
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