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思维训练:1-6年级思维训练每日一题-960期

  • 2026-11-14 03:27:24
思维训练:1-6年级思维训练每日一题-960期

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九年级语文全册微课堂智慧教育平台
跟我写作文奥数课堂
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一年级语文资料合集二年级语文资料合集
三年级下册测试卷合集数学思维训练

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一年级 

红太狼要写34个大字,写了一段时间数了数,还差5个大字没有写,红太狼已经写了多少个大字?

二年级

计算:1+2+3+4+5+6+7

三年级

篮子里有一些苹果,3个3个地数还多1个,5个5个地数也多1个。问篮子里至少有多少个苹果?

四年级

四年级同学为希望工程捐款,四(1)班36人共捐款384元,四(2)班30人共捐款312元,四(3)班33人共捐款393元,四年级平均每人捐款多少元?

五年级

某场乒乓球比赛售出30元、40元、50元的门票共200张,收入7800元。其中40元和50元的张数相等,每种票各售出多少张?

六年级

一个三位数的各位数字 之和是17.其中十位数字比个位数字大1.如果把这个三位数的百位数字与个位数字对调,得到一个新的三位数,则新的三位数比原三位数大198,求原数.

      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】

解答:34-5=29(个),所以美太狼已经写了29个大字。

二年级

【答案】

1+2+3+4+5+6+7

=4×7 中间数是4

=28 共7个数

三年级

【答案】

3的倍数有:3、、6、9、12、15、18、21……   

5的倍数有:5、10、15、20……   

篮子里最少剩下15个,才能既是3的倍数,也是5的倍数。  

所以篮子里原来至少有:15+1=16(个)。

四年级

【答案】

因为四年级分三个班,由问题可知“平均范围”是三个班,是按人数平均,因此所需条件是三个班捐款的总数和三个班的总人数。三个班捐款总数为:

384+312+398=1098(元),总人数为:36+30+33=99(人)。所以,四年级平均每人捐款1098÷99=11(元)。

(384+312+393)÷(36+30+33)=11(元)

答:四年级平均每人捐款11元。

五年级

【答案】

因为“40元和50元的张数相等”,所以可以把40元和50元的门票都看作45元的门票,假设这200张门票都是45元的,应收入45×200=9000元,比实际多收入9000-7800=1200元,这是因为把30元的门票都当作45元来计算了。

因此30元的门票有1200÷(45-30)=80张,

40元和50元的门票各有(200-80)÷2=60张。

六年级

【答案】476

【解析】:解:设原数个位为a,则十位为a+1,百位为16-2a

根据题意列方程100a+10a+16-2a-100(16-2a)-10a-a=198

解得a=6,则a+1=7 16-2a=4

答:原数为476。

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