题目内容
2005×
-1949÷2
+3
×10.4.
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 4 |
2005×
-1949÷2
+3
×10.4,
=2005×
-1949×
+3
×10.4,
=×
+3
×10.4,
=56×
+3
×10.4,
=21+39,
=60.
| 3 |
| 8 |
| 2 |
| 3 |
| 3 |
| 4 |
=2005×
| 3 |
| 8 |
| 8 |
| 3 |
| 3 |
| 4 |
=×
| 8 |
| 3 |
| 3 |
| 4 |
=56×
| 8 |
| 3 |
| 3 |
| 4 |
=21+39,
=60.
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