1 . 神机妙算(写出简算过程).
(1)![](https://img.xkw.com/dksih/QBM/2019/3/29/2170929473495040/2207993374449665/STEM/ff0b224aaacc477c828ae82806446e1c.png?resizew=99)
(2)![](https://img.xkw.com/dksih/QBM/2019/3/29/2170929473495040/2207993374449665/STEM/a465aa56af554aaeb8c9ec975aff3a0f.png?resizew=98)
(3)
(1)
![](https://img.xkw.com/dksih/QBM/2019/3/29/2170929473495040/2207993374449665/STEM/ff0b224aaacc477c828ae82806446e1c.png?resizew=99)
(2)
![](https://img.xkw.com/dksih/QBM/2019/3/29/2170929473495040/2207993374449665/STEM/a465aa56af554aaeb8c9ec975aff3a0f.png?resizew=98)
(3)
![](https://img.xkw.com/dksih/QBM/2019/3/29/2170929473495040/2207993374449665/STEM/028522f3abb3426b909a6ef4e4245927.png?resizew=181)
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2 . 脱式计算
(48-4.8×
) ÷
(48-4.8×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6bd41fb5bc4195855feee60de9c1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c08788beb1cb729a9c9fd59d2be3e6.png)
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3 . 计算,能简算的要写出简算过程.
32×2.5×12.5
0.65×24+77×65%﹣65%
40÷[14﹣(45﹣39)]
2.25×4.8+77.5×0.48.
32×2.5×12.5
0.65×24+77×65%﹣65%
40÷[14﹣(45﹣39)]
2.25×4.8+77.5×0.48.
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4 . 文字题.
(1)用260除以
的商减去1200,所得的差再乘
,积是多少?
(2)84比一个数的80%多20,这个数是多少?
(1)用260除以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
(2)84比一个数的80%多20,这个数是多少?
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5 . 计算下面各题,能简便的一定要简便.
(1)8.98-(1.6+1.98)
(2)(
+
-
)×24
(3)
×
+
×0.25+
×25%
(4)7-
+![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d78f02558d84c57e7db6d9c0221ba.png)
(5)4.95-(2.75×0.64)÷1.6
(6)[
-(
-
)]÷
(1)8.98-(1.6+1.98)
(2)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d9c3457bb110ade51370f2eed4a0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4195d5f8f2bc536030045927ee842fa.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c08788beb1cb729a9c9fd59d2be3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10402e4ddd0d323cc1ae83801ae976db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85aaa43bd25b5140d9dcfafdca9506e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf1a6e058a8a87ba75f3a985dca414c.png)
(4)7-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10402e4ddd0d323cc1ae83801ae976db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d78f02558d84c57e7db6d9c0221ba.png)
(5)4.95-(2.75×0.64)÷1.6
(6)[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33d78f02558d84c57e7db6d9c0221ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec5efba5a2b7fb879ffd79fcf73ff03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98211b96f7b32680aaba7ae109fa3f4.png)
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2019-04-07更新
|
78次组卷
|
2卷引用:2020年人教版六年级下册小升初模拟测试数学试卷43
6 . 准确算一算.
1.9999×222+3333×334
2.1+3
+5
+7
+9
+11![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba1457c3d739c4848cb6758a954f07c.png)
3.(9
+
)÷(
+
)
4.
×2017
5.
[
]+2=x
1.9999×222+3333×334
2.1+3
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d9c3457bb110ade51370f2eed4a0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad74110f79b55ad22c5917eb2552d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d389a96ccd2c22b8fe57d01d096ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079ab832c8ae7bbfa54c827338359e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba1457c3d739c4848cb6758a954f07c.png)
3.(9
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7bb93c57bff534596781611d5ecfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdcf22bf080016096a01cbd62beba8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd6d494ac74349031a3ee0410c18340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c281974e6c2b1685cedae938fb5c05.png)
4.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1a42978dfd9b5e3758edfbf2f049f9.png)
5.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84993d5f5dc8cb8c6154b57cf2931b83.png)
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7 . 列式计算
10.2减去2.5的差除以20%与2的积,商是多少?
10.2减去2.5的差除以20%与2的积,商是多少?
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8 . (9.3×
﹣7.3)÷2
=______
![](https://img.xkw.com/dksih/QBM/2019/3/28/2170251160567808/2173941298061312/STEM/476f65fc6f9d4bcdb46bb7cf97b56436.png?resizew=10)
![](https://img.xkw.com/dksih/QBM/2019/3/28/2170251160567808/2173941298061312/STEM/7c648b412fb74561bfab872a3e5228b5.png?resizew=10)
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9 . 一个数的
比这个数的25%多15,这个数是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
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10 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3b2ac298c3fd11f141849688c85048.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3b2ac298c3fd11f141849688c85048.png)
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