题目内容
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 4 |
分析：先算除法，然后通分，再计算分数的加减法．
解答：解：
+
÷
-
=
+
-
=
+
-
=
．
故选：C．
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 4 |
=
| 3 |
| 8 |
| 2 |
| 3 |
| 1 |
| 4 |
=
| 9 |
| 24 |
| 16 |
| 24 |
| 6 |
| 24 |
=
| 19 |
| 24 |
故选：C．
点评：本题考查了分数的四则混合运算，计算时先理清楚运算顺序，根据运算顺序逐步求解即可．
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