分析：根据分数、小数和百分数的四则混合运算进行计算即可得到答案．
解答：解：（1）[
-（
+
×50%）]÷
=[
-（
+
）]÷
，
=[
-
]÷
，
=0÷
，
=0；
（2）
-
÷5×
=
-
×
，
=
-
，
=1
；
（3）
÷[32×(1-
)+
]
=
÷[32×
+
]，
=
÷[12+
]，
=
÷
，
=
．
| 7 |
| 10 |
| 1 |
| 2 |
| 2 |
| 5 |
| 16 |
| 7 |
=[
| 7 |
| 10 |
| 1 |
| 2 |
| 1 |
| 5 |
| 16 |
| 7 |
=[
| 7 |
| 10 |
| 7 |
| 10 |
| 16 |
| 7 |
=0÷
| 16 |
| 7 |
=0；
（2）
| 5 |
| 4 |
| 5 |
| 4 |
| 2 |
| 3 |
=
| 5 |
| 4 |
| 1 |
| 4 |
| 2 |
| 3 |
=
| 5 |
| 4 |
| 1 |
| 6 |
=1
| 1 |
| 12 |
（3）
| 39 |
| 5 |
| 5 |
| 8 |
| 18 |
| 5 |
=
| 39 |
| 5 |
| 3 |
| 8 |
| 18 |
| 5 |
=
| 39 |
| 5 |
| 18 |
| 5 |
=
| 39 |
| 5 |
| 78 |
| 5 |
=
| 1 |
| 2 |
点评：此题主要考查的是分数、小数和百分数的四则混合运算．
