Complete :
A [9] [0] [-4] [ ]
2a + 1 [ ] [ ] [ ] [15]
y [8] [1] [1,5] [ ]
3y -5 [ ] [ ] [ ] [13]
![Complete A 9 0 4 2a 1 15y 8 1 15 3y 5 13 class=](https://pt-static.z-dn.net/files/d6c/86d67e015f769cbc08be9a592a51bbbe.jpg)