问题
解答题
计算下列各题，能简便的要简便计算．
6.75×
（
（0.75-
|
答案
（1）
| 1 |
| 5 |
| 4 |
| 5 |
| 2 |
| 5 |
=
| 1 |
| 5 |
| 4 |
| 5 |
| 5 |
| 2 |
=
| 1 |
| 5 |
=2
| 1 |
| 5 |
（2）6.75×
| 2 |
| 5 |
| 5 |
| 2 |
=6.75×
| 2 |
| 5 |
| 2 |
| 5 |
=（6.75×+3.25）×
| 2 |
| 5 |
=10×
| 2 |
| 5 |
=4；
（3）（
| 11 |
| 14 |
| 5 |
| 7 |
| 5 |
| 28 |
=
| 11 |
| 14 |
| 5 |
| 7 |
| 5 |
| 28 |
=22-20+5，
=7；
（4）（0.75-
| 3 |
| 16 |
| 2 |
| 9 |
| 1 |
| 3 |
=（
| 3 |
| 4 |
| 3 |
| 16 |
| 2 |
| 9 |
| 3 |
| 9 |
=
| 9 |
| 16 |
| 5 |
| 9 |
=
| 5 |
| 16 |