24-04-2016
Mathematics

contestada

1+4=5
2+5=12
3+6=21
8+11=

Respuesta :

Alvin11 Alvin11

24-04-2016

=12-5=7
=21-12=9
when u look at they have a diffrence of 2 so the answer will have a diffrence of 2 =11

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