Question

1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1=?
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Answer 1

21 is the correct answer of this question . please mark me as brainlist

Answer 2

if we plus all the 1's it'll be 21 because the value of 1 is 1 hence, adding 1 to another 1 will be 2.