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math fluency
addition and subtraction
Question | Answer |
---|---|
4+1= | 5 |
17+3= | 20 |
5+2= | 7 |
3+3= | 6 |
2+1= | 3 |
20+0= | 20 |
6+9= | 15 |
8+8= | 16 |
13+5= | 18 |
12+3= | 15 |
11+7= | 18 |
10+10= | 20 |
2+7= | 9 |
3+4= | 7 |
5+7= | 13 |