题目内容
计算:(+0.25)-(-3
)-(+5
)-(+
)
| 1 |
| 8 |
| 3 |
| 4 |
| 1 |
| 4 |
(+0.25)-(-3
)-(+5
)-(+
),
=0.25+3
-5
-0.25,
=(0.25-0.25)-(5
-3
),
=-(5
-3
),
=-2
.
| 1 |
| 8 |
| 3 |
| 4 |
| 1 |
| 4 |
=0.25+3
| 1 |
| 8 |
| 3 |
| 4 |
=(0.25-0.25)-(5
| 3 |
| 4 |
| 1 |
| 8 |
=-(5
| 6 |
| 8 |
| 1 |
| 8 |
=-2
| 5 |
| 8 |
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