超全!必考二年级奥数寒假天天练,学而思二年级计算拓展题目解析
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裴鱼琛724二年级数学拓展题 数x数=谜数 数=? 谜=? -
闻倩悦18728229460 ______ 数=5,谜=2
裴鱼琛724急求一道小学二年级的拓展题 -
闻倩悦18728229460 ______ 本身就是近似值 但本题取到哪位不是很明确 因为1600后面两位是0,所以可看成原数保留到百位.所以,原数应改为1550-1649 所以火车上最少有1550人 最多有1649人
裴鱼琛724二年级的一些应用题...出20道就好!急! -
闻倩悦18728229460 ______ 1、三个小组一共修理椅子52把,第一组修理了20把,第二组修理了18把.第三组修理了多少把? 2、一双拖鞋8元,一双袜子4元.小明拿了20元钱买一双拖鞋和一双袜子,应找回多少元? 3、图书馆有故事书96本,第一周借出28本,第二周借...
裴鱼琛724小学二年级数学课时特训思维拓展题目,按规律填数,已知20 34 46,求另一数 -
闻倩悦18728229460 ______ 20 34 46 56 后一个数比前一个数分别多14、12、10
裴鱼琛724小学二年级数学能力拓展题 -
闻倩悦18728229460 ______ 因为有一个人连篮子一块拿走,他的桃子在篮子里
裴鱼琛724拓展延伸题二年级数学下用4.0.1.9这四个数组成一个四位数,最大的数是几,最小 -
闻倩悦18728229460 ______ 最大的:9410 最小的:1049
裴鱼琛724小学二年级应用题10道 -
闻倩悦18728229460 ______ 应 用 题 班级 姓名 1、商店有24个红气球,37个黄气球,卖了46个, 还剩多少个? 2、一桶油重75千克,第一次倒出47千克,第二次倒出19千克,还剩多少千克? 3、李村生产队有76亩小麦, 第一天收了37亩,第二天收了23亩,还剩多少...
裴鱼琛724一道二年级数学扩展思维题 -
闻倩悦18728229460 ______ 答:5只. 思路:经过思考,可只大雁的排列至少有一只处在若干行的公共点上.在推理,可只大雁的排列方法为(0代表大雁): 0 0 0 0 0 经核对,符合题意.
裴鱼琛724二年级上册数学拓展题六十二减多少等于多少加四十八 -
闻倩悦18728229460 ______ 62-x=x+482x=14 x=7 小学二年级只能是慢慢数了吧
裴鱼琛724小学数学拓展题
闻倩悦18728229460 ______ 长25厘米宽16厘米高20厘米的长方体玻璃缸的底面积 25*16=400平方厘米 棱长为8厘米的正方体的体积 8*8*8=512立方厘米 铅块从缸中取出时,缸中的水会下降厘米数,可以这样想: 把这个正方体改造成一个底为400平方厘米,体积为512立方厘米的长方体,高为 体积÷底面积 512÷400=1.28厘米