先化简,再求值
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502e564900de2508448edc04fcf9707b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
更新时间:2023-12-08 10:12:00
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【知识点】 整式的加减中的化简求值解读
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解答题-计算题
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较易
(0.85)
【推荐1】计算下列各题
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e207c73625a2e551a0b91ec55bb702.png)
(3)先化简,再求值:
,其中
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4e8f2bf8788c998e2ca884a47d41d4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e207c73625a2e551a0b91ec55bb702.png)
(3)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda24d8717a0872065523edabcb8d8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
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