3年级-奥数与智能思维(下)【90页】

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1、第一章组合与推理（一）··························································第一讲简单枚举···························································第二讲等量代换···························································第三讲简单推理···························································第二

2、章实践与应用（一）··························································第一讲对应法解题·························································第二讲盈亏问题···························································第三讲和倍问题···························································第四讲差倍

3、问题（一）······················································第五讲差倍问题（二）······················································第六讲94和差问题···························································第三章空间与图形·······························································第一讲巧求周长

4、（一）······················································第二讲巧求周长（二）······················································第三讲面积计算···························································第四章数与计算·································································第一讲错中求解···

5、························································第五章组合与推理（二）··························································第一讲简单推理（二）······················································第二讲最佳安排···························································第三讲抽屉原理94·····

6、······················································第六章实践与应用（二）··························································第一讲年龄问题···························································第二讲用还原法解题·······················································第三讲用假设法解题·······

7、················································第四讲平均数问题（一）····················································第五讲平均数问题（二）····················································第六讲一题多解···························································简单枚举【一】从小华家到学校有2条路可以走，从学校到岐江公

8、园有3条路可以走，从小华家到岐江公园，有几种不同的走法？94练习1、丽丽有红、蓝、黑帽子各一顶，红、蓝、黑围巾各一条。冬天，丽丽每天戴一顶帽子、围一条围巾，有几种不同的搭配方式？2、新华书店有3种不同的英语书，4种不同的数学读物，小明