小红看一本书有a页，她每天看5页，看了x天后，一共看了 一本书有135页，张丽每天看18页，看几天后还剩45页？列方...
\u5361\u5c14\u770b\u4e00\u672c\u4e66\u5171\u6709a\u9875\u5979\u6bcf\u5929\u770b\u4e94\u9875\u770b\u4e86x\u5929\u540e\u4e00\u5171\u770b\u4e86\u591a\u5c11\u9875\u8fd8\u5269\u591a\u5c11\u9875\u5206\u6790\uff1a\u75285\u4e58x\u6c42\u51fax\u5929\u770b\u7684\u9875\u6570\uff0c\u518d\u7528\u603b\u9875\u6570\u51cf\u53bbx\u5929\u770b\u7684\u9875\u6570\u6c42\u51fa\u8fd8\u5269\u4e0b\u7684\u9875\u6570\uff0e
\u89e3\uff1a\uff081\uff095\u00d7x=5x\uff08\u9875\uff09
\uff082\uff09a-5x\uff08\u9875\uff09
\u7b54\uff1a\u4e00\u5171\u770b\u4e865x\u9875\uff0c\u8fd8\u5269a-5x\u9875\uff0e
5\u5929\u540e\u8fd8\u526945\u9875\u3002
\u8bbe\u770bX\u5929\u540e\u8fd8\u526945\u9875\uff0c
\u6839\u636e\u9898\u610f\uff0c\u4e00\u672c\u4e66\u6709135\u9875\uff0c\u5f20\u4e3d\u6bcf\u5929\u770b18\u9875\uff0c
\u53ef\u5217\u65b9\u7a0b\u5f0f\u4e3a\uff1a
135-18X=45
\u79fb\u9879\uff0c\u5f97\uff1a18X=135-45=90
X=90/18
\u6240\u4ee5\u89e3\u5f97\uff1aX=5
\u6240\u4ee55\u5929\u540e\u8fd8\u526945\u9875\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u89e3\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u6709\u4e94\u6b65\uff0c\u5373\u53bb\u5206\u6bcd\u3001\u53bb\u62ec\u53f7\u3001\u79fb\u9879\u3001\u5408\u5e76\u540c\u7c7b\u9879\u3001\u7cfb\u6570\u5316\u4e3a1\uff0c\u6240\u6709\u6b65\u9aa4\u90fd\u6839\u636e\u6574\u5f0f\u548c\u7b49\u5f0f\u7684\u6027\u8d28\u8fdb\u884c\u3002
\u4ee5\u89e3\u65b9\u7a0b
\u4e3a\u4f8b\uff1a
\u53bb\u5206\u6bcd\uff0c\u5f97\uff1a
\u53bb\u62ec\u53f7\uff0c\u5f97\uff1a
\u79fb\u9879\uff0c\u5f97\uff1a
\u5408\u5e76\u540c\u7c7b\u9879\uff0c\u5f97\uff1a\uff08\u5e38\u7b80\u5199\u4e3a\u201c\u5408\u5e76\uff0c\u5f97\uff1a\u201d\uff09
\u7cfb\u6570\u5316\u4e3a1\uff0c\u5f97\uff1a
（2）a-5x（页）
答：一共看了5x页，还剩a-5x页．
故答案为：5x，a-5x．
一共看了（5x）页，还剩（a-5x）页。
绛旓細锛1锛5脳x=5x锛堥〉锛夛紙2锛塧-5x锛堥〉锛夌瓟锛氫竴鍏辩湅浜5x椤碉紝杩樺墿a-5x椤碉紟鏁呯瓟妗堜负锛5x锛宎-5x锛
绛旓細涓鍏辩湅浜嗭紙5X锛椤碉紝杩樺墿锛坅-5x )椤
绛旓細涓鏈功鏈塧椤碉紝灏忕孩姣忓ぉ鐪5椤锛宐澶╁悗鐪嬩簡锛5b锛夐〉,杩樺墿锛坅-5b锛夐〉
绛旓細锛1锛夌湅浜5b椤碉紝杩樺墿a锛5b椤 锛2锛塧脳(9鍒嗕箣4)a脳(5鍒嗕箣4) 銆a脳(4鍒嗕箣5)
绛旓細鍒嗘瀽锛氱敤5涔榵姹傚嚭x澶╃湅鐨勯〉鏁帮紝鍐嶇敤鎬婚〉鏁板噺鍘粁澶╃湅鐨勯〉鏁版眰鍑鸿繕鍓╀笅鐨勯〉鏁帮紟瑙ｏ細锛1锛5脳x=5x锛堥〉锛夛紙2锛塧-5x锛堥〉锛夌瓟锛氫竴鍏辩湅浜5x椤碉紝杩樺墿a-5x椤碉紟
绛旓細1.涓鍏辩湅浜5xb椤.杩樺墿a-5xb椤 2.濂崇敓鏈塧-涔濆垎涔嬩簲xa 鍚庨潰鐨勫嚭鐨勬湁鐐逛贡涓嶇煡閬撲簡 ...鍒嗗晩锛亊~~
绛旓細闈鐪嬩簡涓鏈琣椤鐨勮繛鐜敾,姣忓ぉ鐪5椤,鐪嬩簡b澶,鍏辩湅浜嗭紙5b锛夐〉.濡傛灉鍓╀笅鐨6澶╄兘鐪嬪畬锛屽钩鍧囨瘡澶╃湅锛坅-5b锛壝6椤
绛旓細姣忓ぉ鐪5椤碉紝鐜板湪闇瑕佹眰鍓╀笅( )椤垫病鐪嬶紝鍐嶇湅鏃跺簲浠庣( )椤电湅璧枫傛牴鎹畝鍗曠殑閫昏緫杩愮畻锛屽彲鐭ユ槑鏄姣忓ぉ鐪5椤碉紝鐪嬩簡a澶╋紝鎵浠ヤ竴鍏辩湅浜5a椤碉紝鑰岃繖鏈晠浜嬩功涓鍏辨湁x椤碉紝鎵浠ヨ繕鍓╀笅锛坸-5a锛夐〉銆傝屾槑鏄庡啀鐪嬫椂锛屽洜涓哄凡缁忕湅浜5a椤碉紝鎵浠ュ啀鐪嬪氨鏄粠锛5a+1锛夐〉鐪嬭捣浜嗐傚笇鏈涘彲浠ュ浣犳湁鎵甯姪銆
绛旓細妤间富鎮ㄥソ锛屾牴鎹潯浠舵潵鐪嬶紝寮犲崕姣忓ぉ鐪媋椤碉紝鐪嬩簡5澶╋紝閭ｄ箞涓鍏辩湅浜5a椤碉紝浣嗘槸鎮ㄩ鐩潯浠跺簲璇ユ槸娌¤瀹屽惂锛屼笅娆¤鎮ㄦ妸棰樼洰鏉′欢璇存竻妤氬櫌~涓嶇劧鏄病鏈夊姙娉曞府鍒版偍鐨勫憿~aqui te amo銆
绛旓細鐪嬩簡5澶╋紝姣忓ぉ鐪嬩簡A椤碉紝5A灏辨槸5澶╃湅鐨勯〉鏁般傝繕鏈塀椤垫病鏈夌湅锛5A+B浠ｈ〃锛氱湅浜嗙殑椤垫暟+鍓╀笅鐨勯〉鏁=鎬婚〉鏁
