对折4次剪出的是几个牵手的小人? 如何在剪纸上剪出八个手拉手的小人
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1×2×2×2×2=16（个）
八个
8个
16
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绛旓細16涓銆備竴寮犵焊鍓竴涓皬浜 瀵规姌4娆″氨鑳藉壀1*4锛4涓皬浜 涓寮犵焊鍓2涓皬浜 瀵规姌4娆″氨鑳藉壀2*4锛8涓灏忎汉 涓寮犵焊鍓狽涓皬浜 瀵规姌4娆″氨鑳藉壀N*4=4N涓皬浜
绛旓細16涓銆傗埖灏嗕竴寮犲鎶樹竴娆℃椂寰楀埌2灞傜焊锛屽鎶樹簩娆℃椂寰楀埌2脳2=22灞傜焊锛屽鎶樹笁娆℃椂寰楀埌2脳2脳2=23灞傜焊锛屽鎶樺洓娆℃椂寰楀埌2脳2脳2脳2=24灞傜焊锛屸埓瀵规姌n娆℃椂寰楀埌2n灞傜焊銆傚鎶樹竴娆★細浜х敓鏂扮殑1鏉℃姌鐥 瀵规姌浜屾锛氫骇鐢熸柊鐨2鏉℃姌鐥 瀵规姌涓夋锛氫骇鐢熸柊鐨4鏉℃姌鐥 瀵规姌鍥涙锛氫骇鐢熸柊鐨8鏉℃姌鐥 ...
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绛旓細涓寮犵焊瀵规姌3娆″彲浠鍓嚭4涓壍鎵嬪皬浜
