8000-2520÷24×72
÷(
+
)×12
[3-(
+0.75)÷
]×
0.75×
+
×
-12×75%
1
-
+
-
+
-
.
| 21 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
[3-(
| 5 |
| 4 |
| 11 |
| 8 |
| 36 |
| 7 |
0.75×
| 127 |
| 9 |
| 3 |
| 4 |
| 17 |
| 9 |
1
| 1 |
| 3 |
| 7 |
| 12 |
| 9 |
| 20 |
| 11 |
| 30 |
| 13 |
| 42 |
| 15 |
| 56 |
| 21 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
| 5 |
| 4 |
| 11 |
| 8 |
| 36 |
| 7 |
| 127 |
| 9 |
| 3 |
| 4 |
| 17 |
| 9 |
| 1 |
| 3 |
| 7 |
| 12 |
| 9 |
| 20 |
| 11 |
| 30 |
| 13 |
| 42 |
| 15 |
| 56 |