名校
1 . 如图,用算式表示是( )
![](https://img.xkw.com/dksih/QBM/2023/11/16/3369392825729024/3371576046354432/STEM/3740cd2014674e02bb26ac6f2c9c40d2.png?resizew=121)
![](https://img.xkw.com/dksih/QBM/2023/11/16/3369392825729024/3371576046354432/STEM/3740cd2014674e02bb26ac6f2c9c40d2.png?resizew=121)
A.![]() | B.![]() | C.![]() |
您最近一年使用:0次
2 . 计算:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eaa513bdbcad34618280059640ff9f2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73a15b9c491adf2be2f280555e9b0ec.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36884d6063fe4533cffa2ac83c21236d.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3fa32773fdb0377258f64a21a0d623.png)
您最近一年使用:0次
3 . 如果一个长方形的长为
米,宽为
米,那么它的面积是______ 平方米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
您最近一年使用:0次
4 . 仓库里有180吨化肥,3天运走了
,平均每天运走了________ 吨.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16d09692f7b0fb5633964437202d21d.png)
您最近一年使用:0次
5 . 下列说法中,正确的有( )
①比的前项和后项同时乘或除以相同的数,比值不变;
②
除以它的倒数,商是1;
③圆的半径扩大2倍,那么它的周长也扩大2倍;
④所有自然数都有倒数.
①比的前项和后项同时乘或除以相同的数,比值不变;
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
③圆的半径扩大2倍,那么它的周长也扩大2倍;
④所有自然数都有倒数.
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
6 . 解方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b8c683eb8c2d750858380da9cd49a8.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b8c683eb8c2d750858380da9cd49a8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9929e79dbace803d7b4659030f4fc745.png)
您最近一年使用:0次
7 . _________ 吨比
吨的
多
吨.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
您最近一年使用:0次
8 . 比较大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15aed058396d4cddf94125073da5f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dee67aeddfb1d09c8ba3e9290dc0aa9.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15aed058396d4cddf94125073da5f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dee67aeddfb1d09c8ba3e9290dc0aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
您最近一年使用:0次
9 . 下列算式中,( )的计算结果最大.
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次