1 . 计算:
①2020+125×8÷20
②
+3.5+4.75﹣![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec4f5fec3445bdef5c5e9a9ba1d78d9.png)
③920÷[
×(
+
)]
④
÷
﹣3.6+6.25×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdab5abfb08e024a85e06febb156a1d1.png)
⑤[(5﹣
)×
]÷[4÷(4+
)]
⑥2018×2018÷
①2020+125×8÷20
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068be63cf798cb7f332dbfae19e0c396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec4f5fec3445bdef5c5e9a9ba1d78d9.png)
③920÷[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c836e488dc828d27c77c1cc1b461573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da989de1fdf0c5ca4475aade5b5e3631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdab5abfb08e024a85e06febb156a1d1.png)
⑤[(5﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043de75e808ad772b320d8928a346114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f22f4f7a2ba8c6acafca58b6f45f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b97133d6fa146a21d53ffb077822775.png)
⑥2018×2018÷
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de9d3a69e5956329a9465dfc4aeb01c.png)
您最近一年使用:0次
2 . 列式计算
一个数的40%比它的3倍少26,求这个数。
一个数的40%比它的3倍少26,求这个数。
您最近一年使用:0次
3 . 脱式计算。
33.8+98.5+76.2-98.5 12×
÷0.8×(8÷0.125-
)
×45.6+55.4÷1
-100×9% [(1.75+2
)÷3
-0.4]÷2.5
33.8+98.5+76.2-98.5 12×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f558992e649b93ee36f37513781311a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158b045c6172c4178d7aa52083e1489f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
您最近一年使用:0次
4 . 脱式计算。(能简算的要简算)
(1)(111+999)÷[56×(
-
)]
(2)7.24×
+0.6×2.41-0.65×60%
(3)
×[(10-
)÷
]÷ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05f039e9abe25c2b795df556fc37f3b.png)
(4)(
+
)×17×14
(1)(111+999)÷[56×(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bfe12dd65c4d2098275f1753da952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4756acc50c489cbef2305e4259c988c.png)
(2)7.24×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec5efba5a2b7fb879ffd79fcf73ff03.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7984ee3515dfa98f03fb5e64f5c1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6433d041d8f7bf65443a5bd8e36bdf3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b8494dba60ce3369022a32485014bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05f039e9abe25c2b795df556fc37f3b.png)
(4)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02299d0412f91286ed9638ec6d939fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba1457c3d739c4848cb6758a954f07c.png)
您最近一年使用:0次
真题
5 . 计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e6ed71f2cc76720ca46a8472e78da2.png)
您最近一年使用:0次
6 . 计算下面各题.(能简算的要简算)
(1+
×
)÷75% 7.2×25%+2.8×
(1+
![](https://img.xkw.com/dksih/QBM/2019/9/18/2293245958782976/2350738189680641/STEM/bd1e54197b974d1085943d2ac6f88fd7.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/9/18/2293245958782976/2350738189680641/STEM/f9ce74adcfed44dbb909189303f2f092.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/9/18/2293245958782976/2350738189680641/STEM/19a373bdbb2247018a929a42f697458f.png?resizew=7)
您最近一年使用:0次
7 . 解方程.
23%x=27.6 20%x+35%x=1.1
6+50%x=10 x-45%x=16.5
70%x-25%x=18.9 2x+
x=
23%x=27.6 20%x+35%x=1.1
6+50%x=10 x-45%x=16.5
70%x-25%x=18.9 2x+
![](https://img.xkw.com/dksih/QBM/2019/9/18/2293245958782976/2350738189680640/STEM/03964aad036c4ab981466e3b336546af.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/9/18/2293245958782976/2350738189680640/STEM/6e6c143bd3204a81bd824acdbc285273.png?resizew=14)
您最近一年使用:0次
8 . 如果甲数的50%与乙数的
相等,那么甲、乙两数的比为3:2._____
![](https://img.xkw.com/dksih/QBM/2019/11/1/2324387158302720/2324517623332864/STEM/4ae78961dd004e518be5b61be5a8d213.png?resizew=13)
您最近一年使用:0次
9 . 脱式计算(能简算的要简算,并写出简算过程)
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3b047162d34a026b8120e4ae029a53.png)
(3)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f0102dceb996fffab2cba9c845e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3b047162d34a026b8120e4ae029a53.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82effa268586beb06390568c3bd3ba8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0ae28545fcf2c9dd92fb57549782b5.png)
您最近一年使用:0次
10 . 计算:
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce342d507f5df0e0c99409ce5ca0a499.png)
您最近一年使用:0次