小学一年级奥数题及答案-排队报数

2023-03-03 12:02:12   文档大全网     [ 字体: ] [ 阅读: ]

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报数,奥数,排队,答案,年级


小学年级奥数题及答案-排队报数

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小学年级奥数题及答案-排队报数



导语:年级小朋友是开发智力的阶段,所以要多加练习奥数习题,今天本店铺给小朋友带来的这道题很简单哦!但是你们要认真做。 排好队,来报数,正着报数我报七,倒着报数我报九,一共多少小朋友?

答案与解析:

站成一排,如果规定“正着报”是从左手边

报起,那么倒着报是从右边报起。正着报数“我”报7,则“我”的左手边有6个人;倒着报数“我”报9,则“我”的右手边有8人,算上我,共有6+8+1=15()



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