how to make numbers 0-20 using 4 fours

Question

numbers 0-20 using 4 fours

Answer 1

This has become sumthun av a fad the last fyu yeers

sum possabel waes (most hav several waes tu same anser)

0=(4/4)*(4-4)

1=(4/4)+4-4

2=4 -(4+4)/2

3=(4*4  -4)/4=12/4

4=4 +4*(4-4)=4-0

Answer 2

2=4-(4+4)/4

.....................

Answer 3

I'm trying to get answers for 3,6,10,11,13,15,18,19,and 20 but only using four 4's and its 8th grade math