小宇做一道数学题:“两个多项式A和B,
,求
的值.”小宇错将“
”看成“
”,算得结果为
.
(1)求多项式B.
(2)求
的正确结果.
(3)小明看了两个多项式后发现,
的值与c无关,小明的说法正确吗?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca667eec409c31a6e3c40cc57426874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe94c9c1e8b28a533842a6a95f65f013.png)
(1)求多项式B.
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
(3)小明看了两个多项式后发现,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925dc296b55fdb44f27748ef6c2d9eda.png)
更新时间:2022-09-30 00:01:30
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解答题-计算题
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较易
(0.85)
【推荐1】计算或解方程:
(1)
;
(2)
;
(3)3y+y-7y ;
(4)
;
(5)
;
(6)解方程:
;
(7)解方程:
;
(8)解方程:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f59c9759bffb4388710d5f67e09e76.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ded8682ccf7969c09c40ed66280592.png)
(3)3y+y-7y ;
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd201a6726916d5d605390e16db2806.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5927dadbeba1b444ef634e0b2a8476b7.png)
(6)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3211907491ef8a97bd202727d7cd370.png)
(7)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5353df6abe6d6f6877e9fe5f0fe89396.png)
(8)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45efbd202dca572b7b734eff03236bc.png)
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