名校
1 . 下列说法不正确的个数是( ).
①乘积是1的两个数互为倒数;
②一种商品先提价
,然后再降价
,现价和原价一样;
③除以一个数等于乘这个数的倒数;
④因为5米比6米少
,所以6米比5米多
.
①乘积是1的两个数互为倒数;
②一种商品先提价
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
③除以一个数等于乘这个数的倒数;
④因为5米比6米少
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba0713a01f7a4b8ed01e684709e0b.png)
( ) ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b29b2237a640dfdd7289d54a14ce3b9.png)
( ) ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
( ) ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862e7a824db762edceb5e8ba4c2d0de.png)
( )
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba0713a01f7a4b8ed01e684709e0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b29b2237a640dfdd7289d54a14ce3b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862e7a824db762edceb5e8ba4c2d0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d8e199dca778c113feac6548ac7a6f.png)
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3 . 下面各题,怎样算简便就怎样算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c795f35117a758bf6cfa2d529e7be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420d335f91638bb4b5535c7bb3b5e66c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c795f35117a758bf6cfa2d529e7be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7890de9dda53fe050192fad13bffa82d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e7f304a834284452e33f9dfe5feada.png)
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4 . 下图中的阴影部分表示的算式是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/13/c9fb32ad-a653-4a44-9445-fe8fa9fa272f.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 在○里填上“>、<”或“=”.
,
,
,
,依次填入( ) ,( ) ,( ) ,( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992c2bf1f7cb8f0fcb8c04e289c702e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e04516bfbb5670f30367b59532fbe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075d87e52681a826e2b8f1a007f28d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315efa037cad470405a2ad6345dfb930.png)
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6 . 下列计算正确的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 直接写出得数或比值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d3e31336fddb974ff324bf809da24.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e92f1872e066fa0c30b803b4641f296.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88386c48f50907a71a8a9e6d88668865.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0aa82baca0b64709658588cc5ae617b.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514a1506faaf715cdbf72d9a0aeb1641.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d3e31336fddb974ff324bf809da24.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e92f1872e066fa0c30b803b4641f296.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88386c48f50907a71a8a9e6d88668865.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0aa82baca0b64709658588cc5ae617b.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514a1506faaf715cdbf72d9a0aeb1641.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afec8e80d41d936a8a34dddf649147a2.png)
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8 . 解方程
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e4e40559f24a8800daf1bfcd3f4e99.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ce39d9398deae4b9d210089bb1a74f.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabec051dc474442e971840219851e13.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e4e40559f24a8800daf1bfcd3f4e99.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ce39d9398deae4b9d210089bb1a74f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabec051dc474442e971840219851e13.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6058e7e59437cc459abd6f47cd47350.png)
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9 . 如果
,那么( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0776863f5e3dc7374a20fc1dfa6b2977.png)
A.![]() | B.![]() | C.![]() |
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