I was only able to get 13 but I think there can be more,
this is what i got:
0+0+4=4
4+0+0=4
0+4+0=4
0+1+3=4
0+3+1=4
0+2+2=4
1+2+1=4
1+1+2=4
1+3+0=4
2+2+0=4
2+0+2=4
3+1+0=4
3+0+1=4
Chat with our AI personalities
22 ways
51
There are 47 ways.
4 Possible ways
There are many ways. One such is 21, 30, 45, 69, 78