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Addition

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Sum
Odd/Even
Problem
2   even   1+1=  
3   odd   1+2=  
5   odd   1+4=  
3   odd   2+1=  
4   even   2+2=  
5   odd   2+3=  
6   even   2+4=  
7   odd   2+5=  
8   even   2+6=  
9   odd   2+7=  
10   even   2+8=  
11   odd   2+9=  
18   even   9+9  
17   odd   9+8  
16   even   9+7  
15   odd   9+6  
14   even   9+5  
13   odd   9+4  
12   even   9+3  
11   odd   9+2  
10   even   9+1  
5   odd   1+4  
8   even   4+4  
6   even   3+3  
11   odd   4+7  
8   even   3+5  
11   odd   7+4  
8   even   5+3  
9   odd   3+6  
9   odd   6+3  
5   odd   4+1  
4   even   3+1  
6   even   1+5  
4   even   1+3  
3   odd   2+1  
7   odd   6+1  
8   even   7+1  
10   even   1+9  
8   even   1+7  
9   odd   8+1  
3   odd   1+2  
6   even   5+1  
9   odd   1+8  
7   odd   1+6  
2   even   1+1  
4   even   2+2  
10   even   5+5  
17   odd   8+9  
14   even   5+9  
13   odd   4+9  
12   even   3+9  
16   even   7+9  
15   odd   6+9  
8   even   6+2  
8   even   2+6  
9   odd   7+2  
9   odd   2+7  
7   odd   2+5  
10   even   8+2  
10   even   2+8  
7   odd   5+2  
6   even   2+4  
6   even   4+2  
5   odd   2+3  
5   odd   3+2  
11   odd   2+9  
29   odd   9+20  
45   odd   40+5  
27   odd   10+17  
16   even   8+8  
10   even   7+3  
24   even   21+3  
19   odd   15+4  
28   even   25+3  
9   odd   5+4  
60   even   10+50  
2   odd   1+1  
4   even   2+2  
6   odd   3+3  
8   even   4+4  
10   odd   5+5  
12   even   6+6  
14   odd   7+7  
16   even   8+88  
18   odd   9+9  
20   even   10+10  


   


 

 

 
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