Assessment wanted for Math 1, 2, and 3 skill test

MDN Learn
#1

Hello guys, i already finished my work in Math 1 to 3 skill test. Let me know what you think and need assessment my work too, thank you :slightly_smiling_face:.

Here are my code on Codepen:
Math Task 1: https://codepen.io/AriePriyambadha/pen/XWxEBOY
Math Task 2: https://codepen.io/AriePriyambadha/pen/MWPVBVv
Math Task 3: https://codepen.io/AriePriyambadha/pen/xxyWJvM