小学数学智力游戏题答案详解及测试
小学数学的学习至关重要,广大小学生朋友们一定要掌握科学的学习方法,提高数学的学习效率。
小学数学智力游戏题:取硬币胜利的方法
姐姐和弟弟在做一个游戏:他们在桌上摆10枚硬币,轮流从中取走1枚、2枚或者4枚硬币,谁去最后一枚硬币算输。请问:该怎么做才能获得胜利?
答案:要让对方先取。如果对方取2枚,你要去4枚;如果对方取4枚,你要取2枚;这两种情况要保证取到第6枚就能获胜;如果对方取1枚,你要取2枚,这种情况要保证取到第3枚和第9枚或第3枚和第6枚就能获胜。
有8个人在黑暗中玩捉迷藏,每个人藏在一个单独的房间里,作为一个超级侦探,你的任务是找到他们,你所看到的房子的前后方向如图所示,位于同一楼层的相邻房间有一堵墙。为了帮助你解决问题,有一个人已经找到了。
1 弗雷德与伊妮德所藏的房间不相邻
2 赫柏位于贝丝正上方的房间里
3 艾伦位于吉纳楼上的房间,但不是正上方的房间
4 戴夫与伊妮德的房间不相邻
5 弗雷德藏在后面的房间里
6 伊妮德藏在卡里正下方的房间里
7 戴夫和吉纳藏身的房间处于同一层楼
答案:
赫柏 B卡里 C 艾伦 D弗雷德 E 贝丝 F 伊妮德 G 戴夫 H 吉纳
小学数学智力游戏题:取硬币胜利的方法
system troubleshooting. Integrated wiring system should have enough redundancy, can meet the development requirements. Rehabilitation Center backbone transmission using
single-mode 12-core optical fibers, full reserve reserve to meet current and future period trunk signal transmission needs, rehabilitation center for future facility expansion needs. convenient and economical. Intranet and the Internet using a set of structured cabling systems. Medical treatment building, aerial parts of each layer on the rehabilitation floor weak current equipment set up between two 2 m network equipment cabinet, assigned to internal and external network devices. basement underground two-level shared network equipment rack. Medical treatment building intranet and extranet communication optical cable from the medical information room of the building leads, along the medical floor weak current tube into each layer individually weak current equipment. Recovery building intranet and extranet communication optical cable from medical and rehabilitation of ground floor one floor basement corridor into the rehabilitation floor weak current lines1th, floor and 2nd, floor of intranet and outside network of communications cable since medical integrated floor of information room leads, along rehabilitation center of weak tube respectively into 1th, floor of East, in the, West three seat floor a layer of weak equipment
姐姐和弟弟在做一个游戏:他们在桌上摆10枚硬币,轮流从中取走1枚、2枚或者4枚硬币,谁去最后一枚硬币算输。请问:该怎么做才能获得胜利?
答案:要让对方先取。如果对方取2枚,你要去4枚;如果对方取4枚,你要取2枚;这两种情况要保证取到第6枚就能获胜;如果对方取1枚,你要取2枚,这种情况要保证取到第3枚和第9枚或第3枚和第6枚就能获胜。
小学智力趣味数学题:秤乒乓球
有6个规格相同的乒乓球,一台精准的电子秤,其中有1个乒乓球为重量不合格的次品,试问至少称几次能找出次品,并且得到次品和合格产品的重量?如何称?
答案:3次,两两秤两次
小学趣味数学智力题:测量胡夫金字塔的方法
埃及金字塔中数胡夫金字塔最为壮观,它的神秘和高度使许多人为之倾倒。它的底边长230.6米,由230万块重达2.5吨的巨石堆砌而成。
金字塔塔身是斜的,即使有人爬到塔顶下去,也无法测 量其高度。后来有一个数学家解决了这个难题,你知道他是怎么做的吗?
答案:挑一个好天气,从中午一直等到下午。当太阳的光线给每个人和金字塔投下阴影时,就开始行动。在测量者的影子和身高相等的时候,测量出金字塔阴影的长度,这就是金字塔的高度。因为测量者的影子和身高相等的时候,太阳光正好是45度角射向地面。
最有趣的数学智力拓展题:根据条件计算年龄
小明问他姐姐年龄,姐姐却说要考考他,他告诉小明:“我的年龄和你妈妈的年龄合起来是44岁,你妈妈的年龄是过去某一时刻我的年龄的两倍,在那一时刻,你妈妈的年龄又是将来某一时刻我的年龄的一半,到将来的那一时刻,我的年龄将是你妈妈过去当她的年龄是我的年龄三倍时的年龄的三倍。你能算出来我现在是多少岁吗?”
答案:16岁半
最新小学数学智力竞赛10道题
数学竞赛中出了10道题,每答对1题得5分,每答错1题或不答扣3分。
问:至少要答对几道题,得分才不低于10分。
system troubleshooting. Integrated wiring system should have enough redundancy, can meet the development requirements. Rehabilitation Center backbone transmission using single-mode 12-core optical fibers, full reserve reserve to meet current and future period trunk signal transmission needs, rehabilitation center for future facility expansion needs. convenient and economical. Intranet and the Internet using a set of structured cabling systems. Medical treatment building, aerial parts of each layer on the rehabilitation floor weak current equipment set up between two 2 m network equipment cabinet, assigned to internal and external network devices. basement underground two-level shared network equipment rack. Medical treatment building intranet and extranet communication optical cable from the medical information room of the building leads, along the medical floor weak current tube into each layer individually weak current equipment. Recovery building intranet and extranet communication optical cable from medical and rehabilitation of ground floor one floor basement corridor into the rehabilitation floor weak current lines1th, floor and 2nd, floor of intranet and outside network of communications cable since medic
al integrated floor of information room leads, along rehabilitation center of weak tube respectively into 1th, floor of East, in the, West three seat floor a layer of weak equipment
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数学,房间,年龄,小学
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