题干
计算：|﹣3|+2cos30°+（
）0﹣（
）﹣1．
| 1 |
| 2 |
| 1 |
| 4 |
答案(点此获取答案解析）
【解答】解：原式=3+2×
+1﹣4
| 3 |
| 2 |
=3+3
| 1 |
| 2 |
| 1 |
| 4 |
| 3 |
| 2 |
