题目内容
计算:(
-
)×(
)-2÷|-
|+(-
)0+(-0.25)199941999的结果是( )
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 5 |
| A.9 | B.10 | C.11 | D.12 |
原式=
×25×3+1-1=10.故选B.
| 2 |
| 15 |
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题目内容
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 5 |
| A.9 | B.10 | C.11 | D.12 |
| 2 |
| 15 |