六年级考试的数学题

最好有答案有答案的题
2025-02-06 21:53:52
推荐回答(4个)
回答1:

一.填空。(1-3题1空1分,4-9题1题1分,10题两分,共16分)

1.一个数由3个0.1,8个0.01和4个千分之一组成,这个数写作( ),若去掉小数点,就扩大( )倍.

2.( )/4=( )%=26/( )=0.65

3 . 2米6厘米=( )米=( )厘米 1.8小时=( )分

4.一

幅地图上的4厘米表示实际距离120千米,这幅地图的比例尺是( )

5.一段圆柱体钢材的体积是24立方分米,若把它削成一个最大的圆锥体,应削去( )立方分米。

6.在浓度是15%的180克糖水中再放20克糖,这时糖水的含糖率是( )%。

7.甲数的2/5与乙数的4/7相等,甲数与乙数的比是( )。

8.时钟在3点时,时针与分针组成的角是( )度。

9.当x=( )时,1/3:x的比值恰好是最小合数。

10.小红带18元去买煤,由于煤价降低了1/4,结果这些钱比原来多买了100千克的煤,原来每千克的煤价是( )元。

二.判断。(6分)

1.已知2x=3y,那x:y=2:3. ( )

2.甲数的2倍是乙数的2/9,甲数是乙数的1/9。 ( )

3.4能整除20,也能被20整除,也能被20除尽。 ( )

4.比值是1/2的比有无数个。 ( )

5.比例的外项积不可能是0。 ( )

6.因为6/15的分母含有质因数3,所以它不能化成有限小数。 ( )

三.选择。(5分)

1.把1/8:1/12化简,结果是( )。

A.1/2:1/3 B.2:3 C.3/2

2.一个数的倒数大于它自己,这个数肯定是( )。

A.整数 B.真分数 C.假分数

3.一个等腰三角形的顶角和一个底角度数之比是7:1,它顶角的度数是( )。

A.20度 B:30度 C.140度

4.钟面上分针旋转一周,时针旋转( )。

A.30 B.5 C.15

5.把一个圆的直径扩大四倍,半径

扩大( )倍,周长扩大( )倍,

面积扩大( )倍。

A.2倍 B.4倍 C.16倍

四.计算。(33分)

1.直接写出得数。(5分)

48+27= 4.2/0.06= 0.625*16= 0.25-0.2= 6.2/0.25= 1/40%= 0.125*16= 12*80= 16*25= 0.62-0.16=

2.解方程和比例。(16分)

7*(1.4-x)=0.21 2.1/x=8.4/5

16:0.2=x:9/10 36:x=1.8/5

3.计算。(6分)

102080-45*624+20 ( 6/7*0.125)*(0.7/1)

4.文字题。(6分)

(1)一个数的4倍减去12.5,差是39.5,这个数是多少?

(2)一个数的2倍等于135的1/3,求这个数。

五.应用题。(30分)

1 .六(一)班今天来上学的同学有48人,有1人请事假,1人请病假,求六(一)办今天的出勤率和缺勤率。(5分)

2.往含盐率3%的500克盐水里再放水300克,求这时新盐水的含盐率。(5分)

3.李师傅八月份生产零件360个,再生产140个就完产了,李师傅已完成八月份生产任务的百分之几?如果生产600个,就超额完成任务的百分之几?(6分)

4.甲乙两辆汽车同时从A地出发,运送一批货物到相距165千米的B地,甲车比乙车早到48分钟,当甲车到达乙车还距B地24千米,甲车行完全程得用几小时?(7分)

5.把105升水注入两个容器,可以注满甲容器和乙容器的1/2,或可注满乙容器和甲容器的1/3,求甲乙两个容器的容积是多少升?(7分)

附加题:(20分)

1.有两筐苹果一共重100千克。如果从第一筐里拿出1/4放入第二筐,第一筐与第二筐的重量比是9:11,第一筐原有苹果多少千克?

2.甲乙丙三人共有存款2980元。甲取出380元,乙存入700元,丙取出自己存款的1/3,这时三人存款的比是5:3:2,现在三人各存款多少元

回答2:

甲乙师徒二人共同加工一批零件需要6天完成,如果师父甲单独加工5天后由徒弟乙来加工,8天后完成。 问乙单独加工这批零件要用多少天?

回答3:

http://www.xkb1.com/shuxue/liunianjishiti/上面有试题的

回答4:

你是几年级学生啊

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