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思维训练:1-6年级思维训练每日一题-1345期

  • 2026-11-14 03:28:24
思维训练:1-6年级思维训练每日一题-1345期

一年级

游乐园里来了一群小动物坐跷跷板,它们分别是小狗、小猫和小猴,下面是它们坐跷跷板的情况。请问它们中谁最重,谁最轻?

● 此题由朴园团队推荐 ●

二年级

      明明和亮亮去书店买同一种书,明明缺4元,亮亮缺6元,他们带的钱合起来正好能买一本书,这本书多少钱?  

● 此题由河东团队推荐 ●

三年级

      有两个油桶,大桶能装5千克油,小桶能装3千克油。你能用这两个油桶称出7千克油吗?

● 此题由临沭团队推荐 ●

四年级

      一个正方形,分成5个完全相同的长方形,每个长方形的周长是60厘米。正方形的周长是多少厘米?

● 此题由莒南团队推荐 ●

五年级

      王叔叔每天早上做户外运动,他第一天跑步2000米,散步1000米,共用24分钟;第二天他跑步3000米,散步500米,共用22分钟。假设王叔叔跑步和散步时的速度一直不变,那么王叔叔跑步的速度是多少?

● 此题由沂南团队推荐 ●

六年级

       甲、乙两列火车同时从A、B两站相向而行,经过5小时相遇,相遇后两车仍以原速度继续前进,再经过3小时后甲车距离B站还有86km,乙车距离A站还有74km。A、B两站相距多少千米?

●此题由罗庄团队推荐 ●

      请做完题之前不要看下面的答案!!独立思考很重要!切记!切记!切记!

答

案

解

析

一年级

【答案】它们中小猴最重,小猫最轻。

【解析】根据第一个跷跷板的情况我们知道小狗比小猫重;根据第二个跷跷板的情况我们知道小猴比小狗重,将他们从重到轻进行排列:小猴、小狗、小猫。因此,它们中小猴最重,小猫最轻。

二年级

【答案】这本书10元钱。

【解析】从题目信息可以知道:明明和亮亮要买同一种书,明明缺4元,亮亮缺6元。如果加上明明缺的4元和亮亮缺的6元,他们每人就能买一本书,也就是一共买2本书。又因为他们带的钱合起来正好能买一本,说明他们缺的钱合起来就是一本书的钱,4+6=10(元),所以这本书10元钱。

三年级

【答案】在保证不漏油不倒洒的情况下,将大桶倒满油,再将大桶中的油倒入小桶中,一直倒满,则大桶中还剩2千克油。将这2千克油倒入另外的容器,再将大桶装满油也倒入这个容器,则该容器中有7千克油。

【解析】题目中只有容量是5千克和3千克的两种油桶,要称出7千克的油,就要想办法由“5”和“3”得到“7”。因为7=5+2,现在已经有大桶可直接装5千克油,所以要考虑怎样再得到2千克油。5-3=2,可以将盛5千克油的大桶装满,再把油倒入3千克的小桶中,一直倒满,则大桶中剩余5-3=2千克油,再加上大桶中还能装5千克,这样就得到了7千克油。

四年级

【答案】正方形的周长是100厘米。  

【解析】根据题意画图如下:

       由图可知:正方形的边长就是长方形的长,也是5个长方形的宽,那么长方形的长=宽×5。根据题意“每个长方形的周长是60厘米”,可知:长+宽=60÷2=30(厘米),也就是宽×5+宽=30(厘米),即宽×6=30(厘米),那么宽=30÷6=5(厘米),长=5×5=25(厘米),即正方形的边长=25厘米,所以正方形的周长=25×4=100(厘米)。

五年级

【答案】王叔叔跑步的速度是200米/分。

【解析】假设王叔叔第二天跑步:3000×2=6000(米),

散步:500×2=1000(米),则用时:22×2=44(分),又已知“他第一天跑步2000米,散步1000米,共用24分钟”,那么王叔叔跑3000×2-2000=4000(米)所用的时间为:44-24=20(分),由此可得王叔叔跑步的速度是:4000÷20=200(米/分)。

六年级

【答案】A、B两站相距400千米。

【解析】根据“速度和×时间=总路程”,设A、B两车的速度和为V千米/时,则A、B两站的路程为5V千米。两车从两地出发到相遇共同行驶了3个速度和的路程,即3V千米,还剩5V-3V=2V(千米),即:2V=86+74=160(千米),解得V=80千米/时,则A、B两站之间的距离为:80×5=400(千米)。

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  137. /www/wwwroot/www.sjds.net/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /www/wwwroot/www.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /www/wwwroot/www.sjds.net/runtime/temp/022a5b1eae5a9e3c31e54f699d8ae600.php ( 8.36 KB )
  140. /www/wwwroot/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000788s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000999s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000373s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000406s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000550s ]
  6. SELECT * FROM `set` [ RunTime:0.000297s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000653s ]
  8. SELECT * FROM `article` WHERE `id` = 547246 LIMIT 1 [ RunTime:0.000379s ]
  9. UPDATE `article` SET `lasttime` = 1794619269 WHERE `id` = 547246 [ RunTime:0.001523s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000364s ]
  11. SELECT * FROM `article` WHERE `id` < 547246 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000494s ]
  12. SELECT * FROM `article` WHERE `id` > 547246 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000453s ]
  13. SELECT * FROM `article` WHERE `id` < 547246 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000766s ]
  14. SELECT * FROM `article` WHERE `id` < 547246 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000788s ]
  15. SELECT * FROM `article` WHERE `id` < 547246 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000826s ]
0.099211s