Question

answer fast please
please answer fast​

Answer 1

Step-by-step explanation:

1+2+3+4+5=5×6/2

1+2+3+4+5+6=6×7/2

1+2+3+4+5+6+7=7×8/2

1+2+3+4+5+6+7+8=8×9/2

please I beg u mark me the BRAINLIEST

Answer 2

Hope this helps.

pls mark me as brainliest.