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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艾耍蓝3681数学题数学题!二年级的奥数题
冶穆菊18730152908 ______ ○+△=80 (1) △+□=60 (2) □+○=70 (3) 解:(1)-(3) 得 △-□=10 (4) (2)+(4) 得 2△=70 所以△=35 所以 ○=80-35=45 □=70-45=25

艾耍蓝3681小学二年级数学英才上的奥数题:□+□+△=16,□+△+△=14,那么□= ,△=求解?? -
冶穆菊18730152908 ______ 3个△+3个□:14+16=30 1个△+1个□:30÷3=10 △:14-10=4 □:10-4=6 =v=楼主你选我罢.纯手打的v. 其实这道题很简单的.仔细想想就会了.

艾耍蓝3681有什么二年级有趣的奥数题 -
冶穆菊18730152908 ______ 传统的题目,最早在孙子算法上有记载的,鸡兔同笼的问题,比较好玩: 鸡和兔子关在一个笼子里,一共有35个头,102条腿.请问鸡和兔子各有几只? 说明:鸡和兔子都各有一个头,也就是说,一共35个头,就是鸡加兔子共35只. 鸡有两条...

艾耍蓝36812年级奥数数学题 -
冶穆菊18730152908 ______ 8-3=5---少了5 9-6=3---多了30(我减的这个是十位,你上面写百位应该错了,那答案不符合,应该是十位把) 30-5=25----总共多了25 138-25=113----如果和是138那113就是正确答案 438-25=413---如果和是438那413就是正确答案

艾耍蓝3681小学二年级奥数试题 -
冶穆菊18730152908 ______ 98,97,96,95,94 B,E,D,C,A

艾耍蓝36812年级奥数题 -
冶穆菊18730152908 ______ 二年级奥数题一. 填一填: 1. 2,3,5,8,12,2. 1,3,7,15,( ),63,( ) 3. 1,5,2,10,3,15,4,4. 、、分别代表什么数? (1)、++=18 (2)、+=14...

艾耍蓝3681二年级奥数题 -
冶穆菊18730152908 ______ 1,2,4,8,16,32,64,128

艾耍蓝3681小学二年级奥数题
冶穆菊18730152908 ______ 3分钟末就是半篮鸡蛋.

艾耍蓝3681二年级奥数题 -
冶穆菊18730152908 ______ 因为用了一半的钱 所以1元5角+3角=一半的钱 那么(1元5角+3角)*2=3元6角

艾耍蓝3681小学二年级奥数题 -
冶穆菊18730152908 ______ 很简单..以中间的点为中心,再将它周围的点都连起来,完成后,看看,四条就完成了.采纳吧!!!!~