题目内容
①(2-
)1001•(2+
)1000=______;②
=______;③
=______.
5 |
5 |
(-0.3)2 |
(2-
|
①(2-
)1001•(2+
)1000=[(2-
)(2+
)]1000•(2-
)
=(-1)1000•(2-
)
=2-
;
②
=0.3;
③
=2-
.
5 |
5 |
5 |
5 |
5 |
=(-1)1000•(2-
5 |
=2-
5 |
②
(-0.3)2 |
③
(2-
|
3 |

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