1 DIGIT & TEEN NUMBERS ADDITION
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12+9=?
9+7=?
2+1=?
16+6=?
17+15=?
7+6=?
7+5=?
8+1=?
12+1=?
11+1=?
19+16=?
18+2=?
19+4=?
17+5=?
9+2=?
11+2=?
15+3=?
17+6=?
11+3=?
18+16=?
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