1+4=5 2+5=12 3+6=21 8+11=
Add the answer by the next equation.5 + 7 = 1212 + 9 = 21 21+19 = 40Hope you pick me as brainliest
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.
