3 years ago

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

Mathematics

2 answers:

Alexeev081 [22]3 years ago

8 0

Add the answer by the next equation.

5 + 7 = 12

12 + 9 = 21

21+19 = 40

Hope you pick me as brainliest

gavmur [86]3 years ago

6 0

You add the answer to the numbers you're adding, like 1+4+0=5, 2+5+5=12, and so on. So the answer would be 40, because 21+11+8=40.

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3 years ago

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