12÷4=36÷12=3600÷1200=我发现：被除数与除数同时乘上或除以同一个数（0除外），则商
\u4e24\u6570\u76f8\u9664\uff0c\u5546\u662f36\u3002\u5982\u679c\u88ab\u9664\u6570\u9664\u4ee54\uff0c\u9664\u6570\u9664\u4ee512\uff0c\u5546\u662f\u591a\u5c11\uff1f\u6700\u7b80\u5355\u7684\uff1a
36\u00f74\u00d712=108
\u9664\u6570\u53d8\u5c0f\u5546\u53d8\u5927\uff0c\u9664\u6570\u53d8\u5c0f\u51e0\u500d\u5546\u53d8\u5927\u51e0\u500d\u3002
\u88ab\u9664\u6570\u53d8\u5927\u5546\u53d8\u5927\uff0c\u88ab\u9664\u6570\u53d8\u5927\u51e0\u500d\u5546\u53d8\u5927\u51e0\u500d\u3002
\u8bbe\u88ab\u9664\u6570\u4e3a x\uff0c\u9664\u6570\u4e3a y\u3002
\u7531\u9898\u610f\uff0cx \u00f7 y = 36
\u5219\uff0cx/2 \u00f7 y/12 = x \u00f72 \u00f7y \u00f712=x \u00f7 y \u00f724 = 36 \u00f7 24= 3/2
36÷12=3
3600÷1200=3；
发现：被除数与除数同时乘上或除以同一个数（0除外），则商不变．
故答案为：不变．
绛旓細4銆8銆12銆16銆20銆( )銆( ) 3銆1銆6銆2銆12銆3銆( )銆( ) 2銆佷竴涓袱浣嶆暟,鍗佷綅涓婄殑鏁板瓧涓庝釜浣嶄笂鐨勬暟瀛椾箣鍜屾槸10,濡傛灉鎶婅繖涓や釜鏁板瓧鐨勪綅缃 浜ゆ崲,鎵寰楀埌鐨勬暟灏辨瘮鍘熸暟灏36,鍘熸潵鐨勪袱浣嶆暟鏄( )銆 3銆佷袱涓功鏋朵笂鍏80鏈功,浠庣涓涓功鏋舵嬁8鏈功鏀惧叆绗簩涓功鏋,涓や釜涔︽灦鐨勬湰鏁扮浉绛,鍘熸潵绗竴涓功鏋...
绛旓細1.25=()/4=5:()=6o姊()=():60=10姊()瑙ｇ瓟锛1.25=(5)/4=5:(4)=6o梅(48)=(75):60=10梅(8)甯屾湜鑳藉府鍒颁綘
绛旓細0.25x6.2+0.1x1/4+3.7梅4 =1/4x6.2+0.1x1/4+3.7x1/4 =1/4x锛6.2+0.1+3.7锛=1/4x10 =10/4 =2.5 璋㈣阿锛岃閲囩撼
绛旓細7.榛鍥濞樺鑺辨弧韫, 鍗冩湹涓囨湹鍘嬫灊浣庛 (鏉滅敨:銆婃睙鐣旂嫭姝ュ鑺便) 8.鏃犲彲濂堜綍鑺辫惤鍘, 浼兼浘鐩歌瘑鐕...闆嵈杈姊涓娈甸銆 (鍗㈡鍧°婇洩姊呫) 11. 寰呭埌閲嶉槼鏃, 杩樻潵灏辫強鑺便 (瀛熸旦鐒躲婅繃鏁呬汉搴勩) 12....35.澧欒鏁版灊姊, 鍑屽瘨鐙嚜寮銆 (鐜嬪畨鐭炽婃鑺便) 36.鏄ュ叞鍏鑿, 甯稿姟缁濆叜缁堝彜銆 (灞堝師銆婄楠氥...
绛旓細鐢ㄤ袱绉嶈绠楁柟娉 1/36梅(-5/9+4/3-1/6)锛1/36梅22/36 锛1/22 1/36梅(-5/9+4/3-1/6)锛1梅锛-5/9脳36+4/3脳36-1/6脳36锛夛紳1梅锛-20+48-6锛=1梅22 =1/22
绛旓細瀹欐柉鐪嬩簨鎬佷弗閲,涔冨悜娴峰痉鏂鎯,鍙槸娴峰痉鏂湪鏅タ鑺Ξ瑕佽蛋鏃,鎷夸簡鍐ョ晫鐭虫Υ缁欏ス鍚,鏅タ鑺Ξ鍥犱负鍙互绂诲紑,楂樺叴鍚冧簡鍥涓,缁撴灉琚揩涓骞存湁鍥涗釜鏈堣鐣欏湪鍐ョ晫,杩欏洓涓湀灏卞彉寰椾粖鏃ヤ竾鐗╀笉瀹滆曠鐨勫啲澶,鏅タ鑺Ξ涓鍥炲埌浜洪棿灏辨槸鏄ュぉ,寰楀ⅷ鐗瑰皵灏辨槸澶勫コ搴х殑鍖栬韩銆 鍗佷簩鏄熷骇甯岃厞绁炶瘽璧锋簮 鏄熷骇浼犺--鐗х緤搴 鐗瑰瘨閲屼簹鍥界帇闃垮鐜涙柉...
绛旓細涓嶅畾鏂圭▼闂:璁句拱x瑙掓,y瑙掓潕,z瑙姊 鏈墄+y+z=10 3x+4y+12z=100 瀹冧滑娌℃湁鍏ㄥ皬浜庡崄鐨勬鏁存暟瑙,鎵浠ヤ笉鑳藉姙鍒
绛旓細鍙堢鍏崄涓夊洖,鏉庣酣鎶界殑绛句笂鐢荤潃涓鏋濊佹,鍐欑潃鈥滈湝鏅撳瘨濮库濆洓瀛,閭ｄ竴闈㈡棫璇楁槸:绔圭鑼呰垗鑷敇蹇冦傛晠鏉庣酣鍙堜负姊呰姳銆 10銆佺帇鐔欏嚖=鍑ゅ嚢鑺便佽強鑺 涔︿腑绗簲鍥為噷鍏充簬鐜嬬啓鍑ょ殑鍒よ瘝:鍚庨潰渚挎槸涓鐗囧啺灞,涓婇潰鏈変竴鍙泴鍑ゃ傚叾鍒ゆ洶:鍑￠笩鍋忎粠鏈笘鏉,閮界煡鐖辨厱姝ょ敓鎵嶃備竴浠庝簩浠や笁浜烘湪,鍝悜閲戦櫟浜嬫洿鍝銆傛晠鐜嬬啓鍑ゅ綋涓哄嚖鍑拌姳...
绛旓細2008骞 2鏈 4鏃ワ綖2009骞 2鏈 4鏃:姊鐭ヨ繍鍒版坊鏄ヨ壊,楦熻鏃舵潵鎶ュソ闊炽傛湁璐㈡皵,鏀跺叆楂,澶ф湁鍙戝睍銆傜敺鎬х泭濡汇傚崄绁炰负姝ｈ储:鍏惰〃璞¤寖鍥村ぇ閮戒笌璐骇銆侀噾閽,浠ュ強鐖朵翰銆佺敺鎬х殑濡诲瓙鎴栧コ鍙嬬瓑鏈夊叧銆傚悏璞:璐㈣繍浜ㄩ,鏈夋瘮骞虫椂杈冨姹傝储鐨勬満閬囥傜埗浜茶緝鏈夊埄,鎴栧鏄撲氦涓婂コ鍙,濮荤紭涓嶉敊銆傚嚩璞:鏄撳紩璧疯储浜ф垨閲戦挶绾犵悍,鎰忓鐮磋椼傝储...
绛旓細4+5=9锛堜唤锛36梅9=4锛堝厓锛4脳4=16锛堝厓锛4脳5=20锛堝厓锛16X锛1-3/4锛=4锛堝厓锛20X锛1-3/5锛=8锛堝厓锛4+8=12锛堝厓锛夌瓟锛氱幇鍦ㄤ袱浜哄墿涓嬬殑閽变竴鍏辨槸12鍏冦
