一根4米长的绳子,平均截成8段,需要 截几次,每段长多少分米? 把四米长的绳子平均截成5段，每段长多少
\u4e00\u68394\u7c73\u957f\u7684\u7ef3\u5b51\uff0c\u5e73\u5747\u622a\u62108\u6bb5\uff0c\u6bcf\u6bb5\u591a\u5c11\u5206\u7c73\uff1f\u89e3\uff1a
4\u7c73=40\u5206\u7c73
40/8=5\uff08\u5206\u7c73\uff09
\u7b54\uff1a\u6bcf\u6bb5\u957f5\u5206\u7c73\u3002
==========================================
\u67f3\u6d6a\u95fb\u83ba\u5404\u4f4d\u829d\u9ebb\u7aed\u8bda\u4e3a\u60a8\u89e3\u7b54
\u60a8\u7684\u91c7\u7eb3\u662f\u6211\u4eec\u575a\u6301\u767e\u5ea6\u7684\u52a8\u529b
0.8\u7c73
4\u7c73\u00f75=0.8\u7c73=8\u5206\u7c73=80\u5398\u7c73
2、4/8=0.5米=5分米
绛旓細1銆侀渶瑕佹埅2娆.鎴1娆″垎2娈,2娈垫斁鍦ㄤ竴璧峰啀鎴1娆″彉涓4娈,4娈垫斁鍦ㄤ竴璧峰啀鎴1娆″彉涓8娈.2銆4/8=0.5绫=5鍒嗙背
绛旓細瀹為檯涓彧闇瑕佸壀涓ゅ壀
绛旓細4绫浜4oo鍘樼背 400梅8浜50鍘樼背
绛旓細绛旓細姣娈甸暱0.5绫筹紝3娈电殑鎬婚暱搴﹀崰鍏闀跨殑3锛8銆
绛旓細姣忔鏄繖璺缁冲瓙鐨1/8锛屾瘡娈甸暱0.5绫
绛旓細瑙ｏ細4绫=40鍒嗙背 40/8=5锛堝垎绫筹級绛旓細姣娈甸暱5鍒嗙背銆=== 鏌虫氮闂昏幒鍚勪綅鑺濋夯绔瘹涓鎮ㄨВ绛 鎮ㄧ殑閲囩撼鏄垜浠潥鎸佺櫨搴︾殑鍔ㄥ姏
绛旓細4绫绛変簬40鍒嗙背 40/8=5銆傜瓟妗堟槸5鍒嗙背
绛旓細1梅8= 1 8 锛4梅8= 1 2 锛堢背锛夛紝鎶4绫抽暱鐨勭怀瀛愬钩鍧鍒嗘垚8娈碉紝姣忔鏄繖鏍圭怀瀛愮殑 1 8 锛屾瘡娈甸暱 1 2 绫筹紟鏁呯瓟妗涓锛1 8 锛1 2 锛
绛旓細4绫=40鍒嗙背 40梅8=5锛堝垎绫筹級5鍒嗙背=50鍘樼背 绛旓細涓鏉4绫抽暱鐨勭怀瀛愶紝鎴垚鍚屾牱闀跨殑8娈锛屾瘡娈甸暱5鍒嗙背锛屼篃灏辨槸50鍘樼背锛庢晠绛旀涓猴細5锛50锛
绛旓細1梅5= 1 5 锛8梅5= 8 5 锛堢背锛夛紝绛旓細鎶8绫抽暱鐨勭怀瀛愬钩鍧鍒嗘垚5娈碉紝姣娈甸暱鏄繖鏍圭怀瀛愮殑 1 5 锛屾瘡娈甸暱 8 5 绫筹紱鏁呯瓟妗涓锛1 5 锛8 5 锛
