第1、2单元月考试卷(试题)-五年级下册数学苏教版

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五下数学练习   

 

(完成时间: 60分钟)

一、选择题。(每题2分,共10分)

1、月月今年x岁,华华今年(x+3)岁,再过4年,他们相差(       )岁。

A . x         B. x+3           C. 3           D. 4

2、下列式子是方程的是(      )

A.5x+1.8=3.6      B.4.9-3×1.6=0.1            C.7.8×4-0.3x

3、小马虎把3(x+2)错写成3x+2,结果与原来相比(       )

A.增加4        B.减少4          C.减少6

4.下列说法错误的是(   )。

A.含有字母的等式是方程  B.等式两边同时加上或者减去同一个数等式成立   

C.等式两边同时乘或者除以同一个(不为0)数等式成立   D.X+6=8的解是2

5.一根绳子长80米,减去一段以后,剩下的是剪去长度的4倍,剪去(    )米。

A.20       B.10    C.15      D.   16

二、填空题。(每空1分,共27分)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

1、用含有字母的式子表示下面的数量关系。

比X多3.7的数(              )      18个a的和(               )   

X除以20的商   (              )      a减去c的差的7.1倍(              )

比X的5倍多11.2的数(            )    b的3倍比a少3.5(             )

2、在○里填上“>”“<”或“=”。

 (1)当X=24时,X+27○50     (2)当X=12时,5X○60

 (3)当X=48时,X÷6○9       (4)当X=17时,3X○50

3、在(     )里填上适当的数,使每个方程的解都是X=10。

X+(    )=91             X-(     )=8.9    

(    )X=5.1               X÷(    )=4

4、当X大于(     )时,5X的值大于20。当X等于(    )时,5X的值等于20。

5、小明买了1枝钢笔和7本练习本,君君买了12本同样的练习本,两人用去的钱一样多。一枝钢笔的价钱等于(     )本练习本的价钱。

6、有三个连续自然数的和是3a,这三个自然数是(      )、(        )、page number 0

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(        )。

7、5个连续偶数的和是40,其中最大的数是(     )。

8、水果店运来的苹果比梨的2倍还多10千克;如果运来梨a千克,运来苹果(      )千克,当a=85,苹果有(        )千克。

9、若x-9=2,y-x=2,则y=(            ),若4x-1.5=6.5,则27+2x=(      )。

10、学校买了4只排球,每只x元,付给营业员200元。4x表示(                        ),200-4x表示(                                ).

三、计算题。(共33分)

1.简便计算。(12分)

3.2×4+6.4÷0.25      25×3.2×125          36×101-36       630÷45

 

 

 

 

2.解方程,加❤的要检验(21分)

4X-5=0.6                 4X-8×5=20                 3.1×3+2.1x=15.6

 

 

 

 

12X÷3=36                 5X+6X=12.1                 ❤x+36-64=100

 

 

 

 

 

四、列方程解决问题。 (共30分) 

1、地球绕太阳一周大约要365天,比水星绕太阳一周所用的时间的4倍少13倍。水星绕太阳一周大约要多少天?

 

 

 

 

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