12+17=121 ,14+11=77 ,16+13=121 ,18+15
=?
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Answered by
4
Answer:
it can be 18+15=181 or 1131 or 30 or 15 or 33
Answered by
2
Answer:
21
21
21
21
21
21
21
21
21
21
step by step
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