1 . 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
2 . 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
3 . 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
4 . 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
5 . 1.
×7÷
×7-(4
-3
)×48÷(2
-1.15)
2.
÷2
-1
×
÷7+
×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5a1a2ee471c67aa5264c0991d05421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5a1a2ee471c67aa5264c0991d05421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc4c53f9b92b5966ed69e638bd39496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed17ae937b088664e46d321befd7dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf04772c4706ad5d764250460c410c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d5483c95612845a0e683cfe0b1afaa.png)
您最近一年使用:0次
6 . 计算题.
⑴![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/8d7bf8ec49154e92bafb49b3f92949f9.png?resizew=221)
(2)![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/857b7b13e0d249328641269b24783a93.png?resizew=193)
(3)![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/25c2cdbade8c4c3886ab32a31ce22b9d.png?resizew=176)
(4)
⑴
![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/8d7bf8ec49154e92bafb49b3f92949f9.png?resizew=221)
(2)
![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/857b7b13e0d249328641269b24783a93.png?resizew=193)
(3)
![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/25c2cdbade8c4c3886ab32a31ce22b9d.png?resizew=176)
(4)
![](https://img.xkw.com/dksih/QBM/2019/5/30/2215048249933824/2216224633241600/STEM/82f667a873c14c8b810bd4d38ef38628.png?resizew=410)
您最近一年使用:0次
真题
7 . 脱式计算,能简算的要简算.
(2890-
-
-
)÷(
+
+
) 3-5+7-9+11-13+...+1995-1997+1999
(
×
+1.65×
-
)÷[2
-(4-2
)÷1.35]
(2890-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357821e0e5595eaf3028df63d47b2c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4401b1421c08e525643180aef3f6dadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357821e0e5595eaf3028df63d47b2c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4401b1421c08e525643180aef3f6dadd.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8013bc8c3adc55018e3607510fe4d0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df20d5ce50efa2d2daae9fed2fd9251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d3545ed822139fcf88a87bba32b030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d3545ed822139fcf88a87bba32b030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3911dc335840b8d4b729a5678fd680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3911dc335840b8d4b729a5678fd680.png)
您最近一年使用:0次
8 . 用递等式计算,能简便计算的要用简便方法计算.
(1)101×93
(2)137×
-137× ![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/45303be393e342eb9784d525b45449c8.png?resizew=29)
(3)37.2×48+372×5.1+37.2
(4)(7
+5
)÷(
+
)
(1)101×93
(2)137×
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/0c08eb6ab9f8431caf85c8706cecbb2d.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/45303be393e342eb9784d525b45449c8.png?resizew=29)
(3)37.2×48+372×5.1+37.2
(4)(7
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/f71db17abb854382bbabe7232331ed93.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/9edcddaee2e34960a0409e1597ef087e.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/291f208986454932b34ea89cf9fc71f5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/46ef2f55bd854854bdcbe51d7c8d09e8.png?resizew=13)
您最近一年使用:0次
9 . 脱式计算,能简便计算的要简便计算.
(1)(12.5×97)×0.8 (2)16.8-1.36-8.64
(3)
×[
÷(
×
)] (4)![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/6d11c10100d9431487d37fbddee6d1dc.png?resizew=181)
(5)
(1)(12.5×97)×0.8 (2)16.8-1.36-8.64
(3)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/1759fc17293b4c7abf461d168c7e626e.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/c73f2213de83494f84cbd56829ffd93a.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/314bb7648c9d43488d1e1dbbcec909c1.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/7fd68089f39c48c386cbc457abd4468a.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/6d11c10100d9431487d37fbddee6d1dc.png?resizew=181)
(5)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198467643113472/2200177519222784/STEM/7d0bf53871ae40a1a77076dc285a980f.png?resizew=351)
您最近一年使用:0次
10 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3b2ac298c3fd11f141849688c85048.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3b2ac298c3fd11f141849688c85048.png)
您最近一年使用:0次