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kherson [118]
3 years ago
12

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

Mathematics
2 answers:
adelina 88 [10]3 years ago
4 0
The correct answer is 40. Hope that helps!
Aliun [14]3 years ago
3 0
(1x4)+1=5
(2x5)+2=12
(3x6)+3=21
(8x11)+8=96

I'm not sure but that's my guess
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