明明用一条2米的绳子捆扎收集的纸箱,用去了它的八分之七,还剩下多少米?
\u4e94\u5e74\u4e8c\u73ed\u7684\u5b66\u751f\u7528\u4e00\u6761\u56db\u7c73\u957f\u7684\u7ef3\u5b50\u6346\u624e\u6536\u96c6\u7684\u5e9f\u54c1\uff0c\u7528\u53bb\u4e86\u4ed6\u7684\u4e94\u5206\u4e4b\u56db\uff0c\u8fd8\u5269\u4e0b\u591a\u5c11\u7c73
\u8fd8\u5269\u4e0b0.8\u7c73\u3002
\u89e3\u7b54\u8fc7\u7a0b\u5982\u4e0b\uff1a
4\u00d7\uff081-4/5\uff09
=4\u00d71/5
=0.8\uff08\u7c73\uff09
\u7b54\uff1a\u8fd8\u5269\u4e0b0.8\u7c73\u3002
\u6269\u5c55\u8d44\u6599
\u56db\u5219\u6df7\u5408\u8fd0\u7b97\u7684\u8fd0\u7b97\u987a\u5e8f
1\u3001\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u7b97\u5f0f\u91cc\uff0c\u5982\u679c\u53ea\u6709\u52a0\u3001\u51cf\u6cd5\uff0c\u6216\u8005\u53ea\u6709\u4e58\u3001\u9664\u6cd5\uff0c\u8981\u6309\u4ece\u5de6\u5230\u53f3\u7684\u987a\u5e8f\u8ba1\u7b97\u3002
2\u3001\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u7b97\u5f0f\u91cc\uff0c\u5982\u679c\u65e2\u6709\u52a0\u3001\u51cf\u6cd5\uff0c\u53c8\u6709\u4e58\u3001\u9664\u6cd5\uff0c\u8981\u5148\u7b97\u4e58\u3001\u9664\u6cd5\uff0c\u518d\u7b97\u52a0\u3001\u51cf\u6cd5\u3002
3\u3001\u542b\u6709\u5c0f\u62ec\u53f7\u7684\u4e09\u6b65\u6df7\u5408\u8fd0\u7b97\u7684\u7b97\u5f0f\u91cc\uff0c\u8981\u5148\u7b97\u5c0f\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u518d\u7b97\u62ec\u53f7\u5916\u9762\u7684\u3002
4\u3001\u5728\u4e00\u4e2a\u7b97\u5f0f\u91cc\uff0c\u65e2\u6709\u5c0f\u62ec\u53f7\uff0c\u53c8\u6709\u4e2d\u62ec\u53f7\uff0c\u8981\u5148\u7b97\u5c0f\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\u91cc\u9762\u7684\u3002
答 剩1/4米
明明用一条2米的绳子捆扎收集的纸箱,用去了它的八分之七,还剩下多少米
绛旓細4=涓夊張浜斿垎涔嬩簲 涓夊張浜斿垎涔嬩簲-浜斿垎涔嬪洓=涓夊張浜斿垎涔嬩竴
绛旓細鍏簩鐝殑瀛︾敓鐢ㄤ竴鏉闀4绫崇殑缁冲瓙鎹嗘墡鏈鏀堕泦鍒板簾鍝佺敤鍘讳簡5鍒嗕箣4杩樺墿澶氬皯绫筹紵4脳锛1-4/5锛=4脳1/5 =0.8绫
绛旓細4脳锛1-5鍒嗕箣4锛夛紳0.8锛堢背锛変綘濂斤紝鏈宸茶В绛,濡傛灉婊℃剰 璇风偣鍙充笂瑙掆滈噰绾崇瓟妗堚濄
绛旓細鐢1.5m鐨勭怀瀛愭崋鎵涓涓鏂逛綋褰㈢姸鐨勭洅瀛,鎵撶粨澶0.3m 姹傝〃闈㈢Нand浣撶Нddddddddff 1涓洖绛 #鐑# 浣犲彂鏈嬪弸鍦堜細浣跨敤閮ㄥ垎浜哄彲瑙佸姛鑳藉悧?涓婂笣鍦ㄧ瑧 2014-05-26 路 瓒呰繃24鐢ㄦ埛閲囩撼杩嘥A鐨勫洖绛 鐭ラ亾绛斾富 鍥炵瓟閲:46 閲囩撼鐜:0% 甯姪鐨勪汉:41.9涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 ...
绛旓細涓鏉缁冲瓙闀10绫筹紝鐜板湪瑕鎹嗘墡涓绉嶇ぜ鐩掞紙濡傚浘锛夛紝绀肩洅闀25鍘樼背锛屽17鍘樼背锛屽帤15鍘樼背锛屽鏋滀袱澶存帴澶鐨勭怀瀛鍏遍暱22鍘樼背锛岃繖鏉＄怀瀛鏈澶氬彲浠ユ崋鎵3涓繖鏍风殑绀肩洅銆傚埗浣滀竴鑺傛í鎴潰鏄鏂瑰舰涓旇竟闀夸负15鍘樼背鐨勯暱鏂逛綋鐨勯氶绠★紝閫氶绠￠暱3绫筹紝鑷冲皯闇瑕鐢1.8骞虫柟绫抽搧鐨傝В棰樻濊矾锛...
绛旓細瑙ｏ細10绫=1000鍘樼背 1000梅锛15脳2+10脳2+8脳4+25锛=1000梅锛30+20+32+25锛=1000梅107 =9锛堜釜锛夆37锛堝帢绫筹級绛旓細杩欏洟缁冲瓙鏈澶氬彲浠鎹嗘墡9涓繖鏍风殑绀肩洅锛
绛旓細寰堥珮鍏翠负浣犺В绛攡瑙ｏ細鏍规嵁鍥剧墖寰楀嚭鎬婚暱搴=4涓珮+2*锛堥暱+瀹斤級+缁撳ご澶勭怀瀛 鎵浠ョ敱棰樻剰鍙緱=4*8+2*锛12+15锛+30 =32+54+30 =116 绛旓細杩鏉＄怀瀛愮殑鎬婚暱搴︿负116cm 甯屾湜鎴戠殑鍥炵瓟鑳藉甯姪鍒颁綘锛岃阿璋
绛旓細鍟婇椋掗椋掓槸
绛旓細娣樼煡瀛﹀爞2020鏄ユ湡鏈啿鍒鸿缁冭惀浜烘暀鏁板浜斿勾绾э紙涓嬶級锛960脳540瑙嗛锛夌櫨搴︾綉鐩 閾炬帴: https://pan.baidu.com/s/1VcE1yJLyhpnTR6fj3bbbtA 鎻愬彇鐮: c9yx 澶嶅埗杩欐鍐呭鍚庢墦寮鐧惧害缃戠洏鎵嬫満App锛屾搷浣滄洿鏂逛究鍝 鑻ヨ祫婧愭湁闂娆㈣繋杩介棶~
绛旓細10绫=1000鍘樼背 10x2+15x2+8x4+25=107鍘樼背 1000梅107= 9锛堜釜锛...37鍘樼背 绛旓細杩欏洟缁冲瓙鏈澶氬彲浠鎹嗘墡9涓繖鏍风殑绀肩洅銆
