小学二年级数学上册期末复习题

<div><div style="text-align: center;"><strong><font color="#ff0000"><span style="font-family: ‘Times New Roman‘;">小学二年级数学上册期末</span><span style="font-family: 宋体;">复习题</span><span style="font-family: Arial;">&nbsp;</span><span style="font-family: 宋体;">AB</span></font></strong></div><div><br></div><br><strong><span style=" font-family: Arial;">一、填空。</span><span style=" font-family: 宋体;">&nbsp;</span></strong><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">1、1米=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)厘米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;45厘米-6厘米=(&nbsp;&nbsp;)厘米&nbsp;&nbsp;&nbsp;37厘米+5厘米=(  )厘米</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">&nbsp;&nbsp; 23米-8米=(&nbsp;&nbsp;&nbsp;)米</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">2、6个3相加,写成乘法算式是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),这个式子读作(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">3、在下面的(&nbsp;&nbsp;&nbsp;&nbsp;)里最大能填几?</span><br><br><span style=" font-family: Arial;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×6<27&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<3×74×(   )<15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;35>7×(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">4、在算式4×7=28中,4是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),7是(  ),28是(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">5、先把下面的口诀补充完整,再根据口诀写出两道乘法算式。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">八九(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: Arial;">&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)二十四&nbsp;</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: 宋体;">6、1米=(&nbsp;&nbsp;&nbsp;)厘米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1米40厘米=(&nbsp;&nbsp;&nbsp;)厘米</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、3+3+3+6+3可以改写成乘法算式3×(&nbsp;&nbsp;&nbsp;),也可以改写成6×(&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">8、&nbsp;□×□=□×□=24&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;□×□=□×□=36</span><span style=" font-family: 宋体;"></span><br><br><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span style=" font-family: 宋体;">9、右图是由(&nbsp;&nbsp;&nbsp;)条线段组成的。<img src="//www.szxuexiao.com/uploadimages/2013/1204/201312414413.png?m=0.6521274005062878"></span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;有(&nbsp;&nbsp;&nbsp;)个角,其中有(&nbsp;&nbsp;&nbsp;)个直角。</span><span style=" font-family: ‘Times New Roman‘;"></span><br><br><span style=" font-family: 宋体;">10、&nbsp;在括号里填上“米”或“厘米”。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">&nbsp;(1)、床长约2(&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)、铅笔长约16(&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(3)、跑道一圈长400(&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)、小明高1(&nbsp;&nbsp;)40(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">11、在○里填上“>”、“<”或“=”,在○里填上“+”、“-”、或“×”。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">46+7○8×7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2×6○3×4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;36—9○5×5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;90厘米○8米</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5○8=40&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7○8=15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6○8=48&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8○5=3</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">12、小朋友,你一天看(&nbsp;&nbsp;&nbsp;)小时电视,那么一周看(&nbsp;&nbsp;)小时电视。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">13、3个9的和是(&nbsp;&nbsp;&nbsp;&nbsp;);3和9的和是(&nbsp;&nbsp;&nbsp;);&nbsp;3的9倍是(&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">14</span><span style=" font-family: Arial;">、小芳和小伙伴们计划两天做100颗星,昨天做了58颗,今天他们大约要做(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)颗。</span><br><br><span style=" font-family: 宋体;">15</span><span style=" font-family: Arial;">、一把三角板上有(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)个角,其中(&nbsp;&nbsp;&nbsp;)个是直角。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: 宋体;">16</span><span style=" font-family: Arial;">、算得积是18的口诀有(       )和(       )。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: 宋体;">17</span><span style=" font-family: Arial;">、在○里填上“+”、“-”、“×”或“<”、“>”、“=”。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">8○6=48&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;36○73-37&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9×7○65</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">2○2=4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;43○6×7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18○9=9</span><span style=" font-family: Arial;"></span><br><br><strong><span style=" font-family: Arial;">二、判断。</span><span style=" font-family: 宋体;">&nbsp;</span></strong><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">1、9个相加的和是13。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)2、小强身高大约是137厘米。&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">3、角都有一个顶点,两条边。&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)4、计算48+29,得数大约是70。(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">5、1米和100厘米一样长。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: Arial;"></span><br><br><strong><span style=" font-family: Arial;">三、选择题。(把正确答案的序号填在括号里</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: Arial;">)</span></strong><br><br><span style=" font-family: Arial;">1、5个3相加是多少?正确的列式是(    )</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">A、5+5+5=15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、5+3=8&nbsp;&nbsp;&nbsp;&nbsp;C、5×3=15</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">2、用2、6、0三个数字组成的两位数有(    )个。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">A、2     B、4     C、6</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">3、小明有50元钱,买故事书花了28元,他大约还剩(&nbsp;&nbsp;&nbsp;)元。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">A、22&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、30&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、20</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">4、5+5+5+4,不可以改写成算式(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">A、5×4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、5×3+4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、4×5-1</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">&nbsp;5、4个好朋友见面互相拥抱一次,共要拥抱(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)次。</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: Arial;">A、3次&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、4次&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、6次</span><span style=" font-family: Arial;"></span><br><br><span style=" font-family: 宋体;"><strong>四、计算。</strong></span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、&nbsp;</span><span style=" font-family: 宋体;">口算。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3×3=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2×5=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2×8=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7×7-19&nbsp;=&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5×9=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6×7=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9×6=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8×5+6&nbsp;=&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6×8=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5×7=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8×8=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;64+20-6=&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、列竖式计算。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">47+29=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6+57=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;40—18=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;65—56=</span><span style=" font-family: 宋体;"></span><br><br><span style="font-family: Arial;">90-47=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;59+26=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;63-28=&nbsp;&nbsp;&nbsp;37+46-54=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;81-32-27=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;42-34+57=&nbsp;</span><br><br><span style="font-family: 宋体;">3、(&nbsp;&nbsp;)里最大能填几?</span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;)×4<29  &nbsp;34>5×( )&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7×( )<30&nbsp;&nbsp;&nbsp; &nbsp;81>9×(&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">( )×8<55&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;60>( )×9&nbsp;&nbsp;&nbsp;&nbsp;( )×6<38&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3×(&nbsp;)<27</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4</span><span style=" font-family: Arial;">、列式计算。</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: Arial;">(1)5个6相加,积是多少?&nbsp;&nbsp;&nbsp;(2)9的3倍是多少?</span><br><br><span style=" font-family: Arial;">(3)一个因数是9,另一个因数是7,积是多少?</span><br><br><span style=" font-family: Arial;">(4)比67多29的数是多少?</span><br><br><span style=" font-family: 宋体;"><strong>五、生活应用。&nbsp;</strong></span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、</span><span style=" font-family: 宋体;">看图列式并计算。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;"></span><img src="//www.szxuexiao.com/uploadimages/2013/1204/201312414654.jpg?m=0.5819802102632821"><span style="text-decoration: underline; font-family: 宋体;"></span><span style="text-decoration: underline; font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2.<img src="//www.szxuexiao.com/uploadimages/2013/1204/201312414746.jpg?m=0.3535649904515594"></span><br><br><span style="font-family: 宋体;">(1)买一枝铅笔,一个放大镜和一本书,一共需要多少元?</span><br><br><span style=" font-family: 宋体;">(2)40元你可以同时买那三件商品,还剩下多少钱?</span><br><br><span style=" font-family: 宋体;">(3)你能提出一个用乘法解决的问题,并解答吗?</span><br><br><span style=" font-family: 宋体;">3、根据表中的信息,制成统计图。&nbsp;</span></div><div><font face="宋体"><br></font></div><div><font face="宋体"><img src="//www.szxuexiao.com/uploadimages/2013/1204/201312414853.jpg?m=0.06260235514491796"><br></font><span style=" font-family: 宋体;"></span><br><img src="//www.szxuexiao.com/uploadimages/2013/1204/2013124141243.jpg?m=0.08004425675608218"><br><br><span style=" font-family: 宋体;">(1)二年级(1)班共有(&nbsp;&nbsp;&nbsp;&nbsp;)位同学。</span><br><br><span style=" font-family: 宋体;">(2)喜欢(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的人最多,喜欢(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的人比喜欢</span><br><br><span style=" font-family: 宋体;">( &nbsp;&nbsp;&nbsp;&nbsp; )的少(   )人。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(3)请再提一个数学问题,并解答。</span><br><br><span style=" font-family: 宋体;">问题:&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">解答:&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 黑体;">七、应用题</span><span style=" font-family: 黑体;"></span><br><br><span style=" font-family: 宋体;">1、小明家上月电表读数是27,本月读数是904,他家这个月用了多少度电?&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">2、梨树有148棵,苹果树比梨树少58棵,秸子树比苹果树多29棵,秸子树有多少棵?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">3、车上原来有43人,下去了26人,又上来了18人,现在车上有多少人?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">4、一本共有70页,小明每天看8页,要几天才能看完?</span><br><br><span style=" font-family: 宋体;">5、书包25元,文具盒16元,用50元买这两样东西还能找回多少钱?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、一年级有147名学生,二年级有152名,三年级的人数比一、二年级的总和少25名,三年级有多少名学生?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、下面是朝阳小学三个假日小队做好事件数的统计。请填写完整。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(1)第三小队做的好事比第一、二小队的总和少78件。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(2)第二小队再做多少件就和第一小队一样多?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(3)第一小队比第三小队少做多少件?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、3盒蛋糕,每盒25块,每个小朋友发一块,还要再拿来5块才够,一共有多少个小朋友?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">10、鸭子重3千克,猪的体重比鸭子的13倍还多8千克。猪的体重多少千克?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">11、小明今年11岁,爸爸的年龄比他的3倍多5岁,爸爸今年多少岁?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">12、合唱队有42个男生,女生比男生少8个,合唱队一共有多少人?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">13、一盒智力玩具9元,幼儿园李老师要买35盒,她付了350元,应该找回多少元?</span><span style=" font-family: 宋体;"></span><br><br></div>