3. (0+32):(8·4)+(5–5)·(63:7)–0:4=

1) (0+32) = 32
2) (8 * 4) = 32
3) (5 - 5) = 0
4) (63 : 7) = 9
5) 32 : 32 = 1
6) 0 * 9 = 0
7) 0 : 4 = 0
8) 1 + 0 - 0 = 1
Ответ: 1