求达人帮忙看看，这道题该怎么做，要有过程哦，谢谢
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D .why\u5f15\u5bfc\u7684\u662f\u5bbe\u8bed\u4ece\u53e5\uff0c\u505afind out\u7684\u5bbe\u8bed\uff0c\u4ece\u53e5\u8bed\u5e8f\u4e3a\u9648\u8ff0\u8bed\u5e8f\uff0cAB\u6392\u9664\uff1b\u4ece\u53e5\u4e2d\u4e3a\u5f3a\u8c03\u53e5\u578b\u3002
dear my friend: summer holiday is coming!i hope you c an come to my home and play together ,okay? start from our junior high school,go to t he bus station near the school,and take the no.1 bus. get off at the baber's sho p,walk north for about three minutes.lo ok for me,you can see me because i wa it you . yours,2568+55652+
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啦啦啦
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绛旓細鍥炵瓟锛=3/10+4/7+2/5-10/7 =3/10+4/10+4/7-10/7 =7/10-6/7 =49/70-60/70 =-11/70
绛旓細涓変釜浜洪兘涓嶅湪鍚屼竴涓溅鍘㈢殑鎯呭喌10*9*8=720锛屼笁涓汉鍏ㄩ儴鍦ㄥ悓涓鎴溅鍘㈢殑鎯呭喌鏄10*10*10=1000锛岃嚦灏2浜哄湪鍚屼竴杞﹀帰鐨勬鐜囦负1-720/1000=7/25
绛旓細鏍规嵁棰樻剰锛屽叾涓竴涓【瀹拱鐨勮揣鐗╅噸閲忔槸鍙︿竴涓【瀹㈢殑3鍊嶏紝閭ｄ箞杩欎袱涓【瀹拱鐨勮揣鐗╂婚噸閲忔槸4鐨勫嶆暟锛屾垜浠彲浠ュ厛浠庤繖涓缁勬暟瀛楋紙8+18+21+22+23+35锛壝4=127梅4=31...3锛屽幓鎺変竴涓櫎浠4浣3鐨勬暟鍗冲彲锛屾湁22鍜35绗﹀悎棰樻剰锛岀敱姝ゅ垪寮忚В绛斿嵆鍙紟瑙ｏ細8+18+21+22+23+35=127锛堝崈鍏嬶級锛127梅4=31鈥...
绛旓細宸茬煡锛氬棰橈紱瑙ｏ細锛1锛墊AB|=|100-(-20)|=|120|=120.鍒 AB鐨勪腑鐐筂瀵瑰簲鐨勬暟涓120/2=60.(2)璁綪铓佸拰Q铓佺殑鐖鏃堕棿涓簍(绉掞級锛屾牴鎹鎰忓垪鏂圭▼锛6t+4t=120.10t=120.t=12(绉掞級P铓佺埇鍒癈鐐规椂锛岀埇杩囩殑璺▼S=6*12=72(鍗曚綅锛夈傛晠锛孋鐐硅窛B鐐72锛堝崟浣嶏級锛堝湪B鐐瑰乏杈癸級锛孋璺濇暟杞村師鐐逛负28...
绛旓細灏忔槑鍜屽皬绾㈠鐩搁殧鐨勮繖鏉¤矾鏈560m锛屽皬鏄庡拰灏忕孩鍦ㄦ牎闂ㄥ彛鍒嗘墜锛7鍒嗛挓鍚庝粬浠悓鏃跺埌瀹讹紝灏忔槑骞冲潎姣忓垎閽熻蛋40绫炽傞棶锛岃В锛氳锛氬皬绾㈡瘡鍒嗛挓璧癤绫 锛堝垎鏋愶紝7鍒嗛挓鍚庡悓鏃跺埌瀹讹紝鎵浠ュ皬绾篃璧颁簡7鍒嗛挓锛夋湁鏂圭▼锛7*40 + 7X = 560 (*鍙疯〃绀轰箻鍙)瑙ｅ嚭 X=40 鎵浠ュ鏍″湪灏忕孩鍜屽皬鏄庡鐨勪腑闂 ...
绛旓細娉按椤挎椂妯＄硦浜嗘垜鐨勭溂鐫,鍠夊挋閲屾庝箞涔熻涓嶅嚭璇濇潵.闅捐█鐨勭棝鑻﹀儚鏃犳暟鏉″皬铏櫖鍜潃鎴戠殑蹇:鍝ュ摜!浣犺嚦浜庡彂閭ｄ箞澶х殑鐏悧?杩樻病浜鸿繖鏍峰寰呰繃鎴戝憿!杩欎欢浜嬭鎴戜激蹇冧簡濂戒竴闃靛瓙,鐜板湪鍝ュ摜瀵规垜杩樿薄浠庡墠閭ｄ箞濂,鎴戜篃鏃╁氨鍘熻皡浠栦簡,浣嗘効浠ュ悗鍒啀鍙戠敓杩欐牱鐨勪簨鎯,甯屾湜澶у閮借浣忕殑鏄紑蹇冪殑浜嬫儏!2銆佷竴浠堕毦杩囩殑浜 鎴...
绛旓細鐢诧紝涔欎袱浜哄垎鍒悗锛屾部鐫閾佽建鍙嶅悜鑰岃銆傛鏃讹紝涓鍒楃伀杞﹀寑閫熷湴鍚戠敳杩庨潰椹舵潵锛屽垪杞﹀湪鐢茶韩鏃佸紑杩囷紝鐢ㄤ簡15绉掞紱鐒跺悗鍦ㄤ箼韬梺寮杩囷紝鐢ㄤ簡17绉掋傚凡鐭ヤ袱涓汉鐨勬琛岄熷害閮芥槸3.6鍗冪背/鏃讹紝杩欏垪鐏溅鏈夊闀匡紵鍒嗘瀽锛氬悜鐢茶繋闈㈤┒鏉ワ紝鍒楄溅鍦ㄧ敳韬梺寮杩囩敤浜15绉掞紝杩欓噷涓虹浉閬囬棶棰橈紝鐩搁亣璺▼灏变负鐏溅闀垮害銆備箼韬梺寮杩...
绛旓細鈭0锛測锛12 瑙ｅ嚭-6锛渪锛6 缁间笂锛歽=x+6(0锛渪锛6)(3)褰撯柍DEF鏄洿瑙掍笁瑙掑舰鏃讹紝姹傚嚭BF鐨勯暱 鈭礎E=AF(绗竴闂腑宸茬粡璇佹槑浜) 鍙堚埖AD骞冲垎鈭燙AB锛孉D=AD 鈭粹柍AED鈮屸柍AFD 鈭粹垹AED=鈭燗FD 鈭粹垹CED=鈭燚FB 鈭礒F鈯D 鑰岃浣库柍DEF涓虹洿瑙掍笁瑙掑舰 鈭粹垹EDF=90掳锛堚垹DEF鍜屸垹DFE涓嶅彲鑳戒负 鐩磋锛 ...
绛旓細浠庣浜屾崋涓嬁鍑8妫垫斁鍒扮涓鎹嗕腑锛屽垯涓ゆ崋鏍戣嫍鐨勬５鏍戠浉绛,鎵浠ョ浜屾崋姣旂涓鎹嗗8+8=16妫 鎹嗘爲鑻楃殑妫垫爲涓虹浜屾崋鐨勫叓鍒嗕箣涓冿紝閭ｄ箞绗簩鎹嗘湁16/(1-7/8)=128妫 绗竴鎹嗘湁锛128*7/8=112妫 涓ゆ崋鎬诲叡鏈夛細128+112=240妫 鍏勾绾у垎鍒帮細240*5/12=100妫 鍥涘勾绾у垎鍒240*(1-5/12)*3/(3+4...
绛旓細瑙ｏ細1)浠庡皬鍒板ぇ鎺掑垪 24 29 31 34 38 39 39 42 44 45 45 47 48 48 54 55 56 57 63 68 鏈20涓暟锛屼腑浣嶆暟鏄10锛11涓暟鐨勫钩鍧囨暟锛屼腑浣嶆暟=(45+45)/2=45(涓)39锛45锛48杩欎笁涓暟鍑虹幇娆℃暟鏈澶氾紝涓2娆★紝浼楁暟鏄39涓紝45涓紝48涓 骞冲潎鏁=45+(-21-16-14-11-7-6-6-3-1+0+...
