Mathematics
Nadilatul21
20

1+4=5. 2+5=12. 3+6=21. 8+11=?. What is ?

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(2) Answers
Yaree

1+4=5 2+5=7+5=12 3+6=9+12=21 8+11=19+21=40 hope helped 

kitkat15

1+4=5 5+2+5=12 12+3+6=21 21+8+11=40 it's the answer

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