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二、数学运算。通过运算,选择最合适的一项。
第10题:1×2×3×4×5×…×3000的积的尾数有几个0?( )
A. 600 B. 700 C. 748 D. 680
B.18
C.12
D.10
B.18
C.12
D.10
B.18
C.12
D.10
B.18
C.12
D.10
2016年小学四年级数学上册期末测试题 第一部分:基础应用一、填空。(第2、7题1分,其余每题2分,共22分)1、29542的积是( )位数,得数在( )左右。2、把4升的水倒入500毫升的量杯,可以倒()杯。3、要使1250的积的末尾有两个0,里最小填(),填()。4、6799=67100-67是运用了( )律,要使25+75=8000,里是( )。5、修一条800米的公路,每天修x米,修了3天,还剩( )米没修。6、一个等腰三角形的底角是顶角的2倍,这个三角形的顶角是( )。7、一瓶牛奶大约190( );浴缸大约可以盛水140( )。8、在“口”里填上合适的数,使它能同时是2、3、5的倍数。93口 7口5口9、你能在括号里填上合适的素数吗?14=( )+( ) 30=( )+( )=( )+()10、把下面的算式合并成一道综合算式:729=648 4326=72 1000-648=352()。11、一个圆形的花圃,绕一圈是180米。如果沿着花圃周围每隔6米种一棵柳树,每两棵柳树之间种一棵杨树,可种( )棵杨树。12、四(2)竞选班委,同学们要在10个同学中选2人担任正、副班长,有( )种不同的选法。二、判断题。(对的打,错的打。)(共5分)1.所有的素数都是奇数。- -( )2.34=12,所以3、4是因数,12是倍数。- -( )3.能被3整除的数一定也能被9整除。-( )4.有一组对边平行的四边形叫梯形。-( )5.条形统计图可以看出数量的增减变化。- ( )三、选择题。(把正确答案的序号填在括号里。)(共5分)1、被除数缩小4倍,除数扩大4倍,则商( ) 不变 扩大16倍 缩小16倍 无法判断2、如果一个三角形最小的一个内角大于45,这个三角形一定是( ) 直角三角形 锐角三角形 钝角三角形 不能确定3、在等腰三角形、直角三角形、长方形、平行四边形、梯形、圆形这些图形中,一定是轴对称图形的有( )个。 3 4 5 64、用0、1、3、5这四个数字组成的能被5整除的四位数,共有()个。 4 8 10 125、等腰三角形的两条边是10厘米和5厘米,这个等腰三角形的周长是()厘米。25 20 25或者20四、计算(共29分)1.口算。(8分)399+48= 3520= 2n+3n= 5a5=072= 86125= 352-160= 689+111=2.脱式计算(最后两题用简便方法计算)。(12分)24 (725-230)5 7236 (82+28)2564125 10273-2733.文字题。(9分)(1)56加上38的4倍的和乘以16,积是多少?(2)720除以12的商除15的4倍,商是多少?(3)23个5与17个5的差除300,商是多少?五、巧手操作。(共10分)1、用你喜欢的方式复制出下面的梯形,并作出它的高。(3分)2、(1)用三个小正方形拼画成下面的图形:(3分)一条对称轴 二条对称轴 三条对轴(2)将图形围绕A点顺时针旋转90,再将旋转后的图形向下平移4格。(4分)六、解决问题。(16题每题4分,第7题5分,共29分。)1.水果店卖出香蕉和苹果各48箱,香蕉每箱50千克,苹果每箱25千克,买出香蕉和苹果一共多少千克?2、买5套服装,一共要600元,上衣每件75元,裤子每条多少元?3、小华对小红说:他今年的岁数正好是两位数中最小的素数,而妈妈的年龄比他的3倍还多5岁。小华和妈妈的年龄各是多少岁?4、双龙兴村有一个长35米的长方形喷水池,后来设计师又将长增加了6米,于是喷水池的面积增加了180平方米,扩建后的喷水池面积是多少平方米?5、加工一批服装,已经做了6天,平均每天做x套,还剩下560套没有完成。(1)用式子表示这批服装的总套数。(2)当x=120时,求这批服装的套数。
B.18
C.12
D.10
B.18
C.12
D.10
B.18
C.12
D.10
B.18
C.12
D.10
B.18
C.12
D.10
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