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
There are 10 ways.
22 ways
51
There are 47 ways.
There are 12 ways.
There are 10 ways.
22 ways
51
Three different ways.
9=10
Two ways only: one with a pasta maker. The other using a rolling pin.
There are 47 ways.
There are 12 ways.
Using only positive digits, and disregarding their order, 3 ways.
From my calculations, there's only 293 ways to make change for a dollar.
10
(3*3+3)/3=4