把5米长的铁丝平均分成8段,每段长多少米?用除法算式如何表示?用分数如何表示商?
\u628a5\u7c73\u957f\u7684\u94c1\u4e1d\u5e73\u5747\u5206\u62108\u6bb5\uff0c\u6bcf\u6bb5\u957f\u591a\u5c11\u7c73\uff1f\u7528\u9664\u6cd5\u7b97\u5f0f\u5982\u679c\u8868\u793a\uff1f\u7528\u5206\u6570\u5982\u4f55\u8868\u793a\u5546\uff1f0.625\u7c73
5\u00f78=0.625
5/8
\u88ab\u9664\u6570\u662f\u9664\u6570\u76849\u500d\uff0c\u6240\u4ee5\u5546\u662f9
\u88ab\u9664\u6570\u662f\u5546\u76848\u500d\uff0c\u6240\u4ee5\u9664\u6570\u662f8
\u56e0\u6b64\u88ab\u9664\u6570\u662f72
\u7b97\u5f0f\u4e3a\uff1a72\u00f78=9
把5米长的铁丝平均分成8段,每段长8分之5米
5÷8=5/8米
5/8米 5除8 5/8
5÷8=5/8
绛旓細锛1锛5梅8= 5 8 锛堢背锛夛紱绛旓細姣忔闀 5 8 绫筹紟锛2锛1梅8= 1 8 =12.5%锛涚瓟锛氭瘡娈靛崰鍏闀跨殑12.5%锛庢晠绛旀涓猴細 5 8 锛12.5锛
绛旓細姣忔鍗犲叏闀跨殑鍏鍒嗕箣涓锛屾瘡娈甸暱5/8绫
绛旓細5梅8=58锛堢背锛夌瓟锛姣忔闀58绫筹紟鏁呴夛細D锛
绛旓細鍏垎涔嬩竴 锛屼簲鍒嗕箣鍏紝涓鍒嗕箣鍏
绛旓細5绫抽暱鐨勯搧涓濆钩鍧囧垎鎴8娈锛屾瘡娈甸暱锛 0.625锛夌背锛屾瘡娈靛崰鍏ㄩ暱鐨勶紙1/8 锛夈
绛旓細鎶婁簲绫抽暱鐨勯搧涓锛骞冲潎鍒嗘垚鍏姣忔鏄叏闀跨殑1/8銆姣忔闀5/8绫銆傝В锛鎶婇搧涓鐪嬪仛1锛岄偅涔堝钩鍧囧垎涓8娈鍚锛屾瘡涓娈电瓑闀垮害=1梅8=1/8锛屽嵆骞冲潎鍒嗘垚鍏姣忔鏄叏闀跨殑1/8銆傜敱浜閾佷笣闀垮害涓5绫筹紝閭d箞姣忎竴娈电殑闀垮害=1/8x5绫=5/8绫炽傚嵆姣忔闀垮害涓5/8绫炽
绛旓細鎶5绫抽暱鐨勯搧涓濆钩鍧囧垎鎴8浠斤紝姣忎唤闀匡紙5/8绫锛夛紝姣忎唤鏄叏闀跨殑锛1/8锛夈
绛旓細姣忔閾佷笣鐨勯暱搴涓5/8绫銆傛暣鏍归搧涓濈殑闀垮害涓5绫筹紝瑕骞冲潎鍒嗘垚8娈碉紝璁姣忔闀垮害涓簒銆傛瘡娈甸搧涓濈殑闀垮害鍙互琛ㄧず涓烘闀垮害5绫闄や互8娈电殑鏁伴噺锛寈=5/8绫炽傚彲浠ュ緱鍑烘瘡娈甸搧涓濈殑闀垮害灏变负5/8绫炽
绛旓細姣忔闀垮叓鍒嗕箣浜旂背锛屾瘡娈靛崰鍏垎涔嬩竴
绛旓細鎶5绫崇殑閾佷笣骞冲潎鍒嗘垚8娈碉紝姣忔闀锛8鍒嗕箣5绫 锛夛紝姣忔闀挎槸1绫崇殑锛堝叓鍒嗕箣浜旓級锛屾瘡娈甸暱鏄5绫崇殑锛堝叓鍒嗕箣涓锛夈