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Novay_Z [31]
3 years ago
5

How many pairs of numbers add up to 11?l have used calculation find their is 6 pairs But like to know • How could I change how I

originally did this activity (include resources and mathematics used)?
Mathematics
2 answers:
user100 [1]3 years ago
7 0
All the pairs that add up to 11 are: 5+6, 1+10, 2+9.3+8, 4+7,11+0,
Rasek [7]3 years ago
6 0
<span> If all numbers are greater than zero and no repeated numbers exist these are the 5 possible combinations:

 1 + 2 + 8
 1 + 3 + 7
 1 + 4 + 6
 2 + 3 + 6
 2 + 4 + 5. 
 

If one number is allowed to be zero and no repeated numbers exist these are 5  combinations:
</span><span> 0 + 11
1 + 1 + 9
 2 + 2 + 7
3 + 3 + 5
 4 + 4 + 3
5 + 5 + 1
</span><span>
Hope this helps 
 
</span>
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