Can someone help me?

Question

All My functions is not defined, on computer all working, not in SoloLearn.
https://code.sololearn.com/WqyEpbuRY3Zp/?ref=app

Answer 1

could you link the code to your question ?

Answer 2

I linked

Answer 3

sum2 function dont have closing bracket }

also pay more attention to onclick button * and / its easy to notice

Answer 4

Thanks :)