1 . 先填一填,再计算周长。
(1)![](https://img.xkw.com/dksih/QBM/2024/1/25/3419002563207168/3436556354535424/STEM/aa42550a75a940c3af4f70ac271b163b.png?resizew=103)
(2)
(1)
![](https://img.xkw.com/dksih/QBM/2024/1/25/3419002563207168/3436556354535424/STEM/aa42550a75a940c3af4f70ac271b163b.png?resizew=103)
(2)
![](https://img.xkw.com/dksih/QBM/2024/1/25/3419002563207168/3436556354535424/STEM/313cb5d4c0fc47698167e564d76f8cbe.png?resizew=127)
您最近一年使用:0次
2 . 脱式计算。
9×(128-96) 600-(234+89) 539-63÷7
9×(128-96) 600-(234+89) 539-63÷7
您最近一年使用:0次
3 . 列竖式计算。
612×8= 380×5= 703×4=
612×8= 380×5= 703×4=
您最近一年使用:0次
4 . 口算。
-
= 1-
=
+
=
+
=
75-25= 180+400= 770-520= 186-150=
600×9= 130×2= 320×3= 500×5=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96dde66b55ce123648fef6989c19e50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5a1a2ee471c67aa5264c0991d05421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97568ee5c7cd94ac11b9574be348d647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
75-25= 180+400= 770-520= 186-150=
600×9= 130×2= 320×3= 500×5=
您最近一年使用:0次
5 . 列竖式计算,带△的要求验算。
260×18= △890÷23=
575×22= 384÷48=
260×18= △890÷23=
575×22= 384÷48=
您最近一年使用:0次
6 . 口算。
180÷30= 330×20= 88÷4= 100÷50=
487×10= 560÷70= 12×5= 900×70=
180÷30= 330×20= 88÷4= 100÷50=
487×10= 560÷70= 12×5= 900×70=
您最近一年使用:0次
7 . 解方程。
(1)
x=
(2)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b45134f511355e3f1439720e151577f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2878716928c8eeae6f3289b5390585b5.png)
您最近一年使用:0次
8 . 计算下面各题能简便计算的要简便计算。
(1)
(2)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785d6693d649f550f71bc40b3e975681.png)
(4)
(5)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d3752686952051e4cf63061bf928d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99a151d58e5d9c66ce9f441597d755b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785d6693d649f550f71bc40b3e975681.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbbbad259b226bc71f2173712fbf630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6baa00aa15167560f5fb877d54909167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b9d354ae8c55e9899bac226549466b.png)
您最近一年使用:0次
9 . 直接写出得数。
÷
= 240×30%=
×
= 20÷1%=
1.21×
= 32÷
= (求比值)0.6千米∶50米= (
+
) ×0=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5447f1268cfd1949810ba8db48308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4401b1421c08e525643180aef3f6dadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0b07e83788d3bb55ef09d3e7b31245.png)
1.21×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d357ea085a587a9f975e30e710e4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a6b832d2922f5c5fea6a1143250f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8d1ca7682da10dc7f36e858593d51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
您最近一年使用:0次
10 . 看图列式计算。
![](https://img.xkw.com/dksih/QBM/2024/1/3/3403322593394688/3422146994495488/STEM/fdae97036bf849b197025a797cb7ef8b.png?resizew=215)
(个)
![](https://img.xkw.com/dksih/QBM/2024/1/3/3403322593394688/3422146994495488/STEM/fdae97036bf849b197025a797cb7ef8b.png?resizew=215)
![](https://img.xkw.com/dksih/QBM/2024/1/3/3403322593394688/3422146994495488/STEM/3e0d736da3af4d7e838491ee56a8acbb.png?resizew=159)
您最近一年使用:0次