题目内容
计算：-0.85×
+14×
-（14×
-
×0.85）=______．
| 8 |
| 17 |
| 2 |
| 7 |
| 3 |
| 7 |
| 9 |
| 17 |
原式=：-0.85×
+14×
-14×
+
×0.85=0.85×（
-
）+14×（
-
）=
-2=-1
．
故答案为：-1
| 8 |
| 17 |
| 2 |
| 7 |
| 3 |
| 7 |
| 9 |
| 17 |
| 9 |
| 17 |
| 8 |
| 17 |
| 2 |
| 7 |
| 3 |
| 7 |
| 1 |
| 20 |
| 19 |
| 20 |
故答案为：-1
| 19 |
| 20 |
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