先估计一下结果是几位数，再列竖式计算并验算． 1009÷43
答案：23……20绛旓細235 脳 6 绔栧紡璁＄畻 235 脳 6 = 1410锛200*6 = 1200锛屽洓浣嶆暟锛
绛旓細绛旀锛氳В鏋愶細166
绛旓細164梅20涓16灏忎簬20锛屾墍浠ュ晢鏄竴浣嶆暟锛164梅20=8鈥4 820 164 160 4 锛178梅60涓17灏忎簬60锛屾墍浠ュ晢鏄涓浣嶆暟锛178梅60=2鈥58 260 178 120 58 锛822梅40涓82锛40锛屽晢鏄袱浣嶆暟锛822梅40=20鈥222040 822 80 22 锛272梅28涓27锛28锛屽晢鏄竴浣嶆暟锛272梅28...
绛旓細锛1锛326梅40锛屽晢鏄竴浣嶆暟锛 锛2锛932梅40锛屽晢鏄袱浣嶆暟锛 锛3锛606梅50锛屽晢鏄袱浣嶆暟锛
绛旓細380梅鍗佸崄锛38锛炲崄鍗侊紝鍟嗘槸涓や綅鏁帮紝 锛涘崄88梅41锛屽崄8锛44锛屽晢鏄涓浣嶆暟锛 锛38鍗伱55锛38锛55锛屽晢鏄竴浣嶆暟锛 锛752梅22锛75锛22锛屽晢鏄袱浣嶆暟锛 锛4涓5梅48锛4涓冿紴48锛屽晢鏄袱浣嶆暟锛 锛&nzsp;&nzsp;&nzsp;&nzsp;488梅7鍗侊紝48锛7鍗侊紝鍟嗘槸涓浣嶆暟锛 锛
绛旓細锛1锛432梅4=108锛涳紙鍟嗘槸涓浣嶆暟锛 锛2锛586梅7=83鈥5锛涳紙鍟嗘槸涓や綅鏁帮級 锛3锛643梅8=80鈥3锛庯紙鍟嗘槸涓や綅鏁帮級
绛旓細840梅7鐨勫晢鏄3浣嶆暟840梅7=120 1207840 7 . 14 14 . 0 锛621梅3鐨勫晢鏄3浣嶆暟621梅3=207 2073621 6 . 21 21 . 0 锛434梅4鐨勫晢鏄3浣嶆暟434梅4=108鈥2 1084434 4 . 34
绛旓細m浣嶆暟涔樹互n浣嶆暟锛岀Н鑻ヨ繘浣嶅垯鏄痬+n+1浣嶆暟锛鍚﹀垯涓簃+n浣嶆暟锛丄銆6浣 B銆6浣
绛旓細锛1锛728梅7=104锛涳紙鍟嗘槸涓浣嶆暟锛夛紱锛2锛409梅8=51鈥1锛涳紙鍟嗘槸涓や綅鏁帮級锛涳紙3锛842梅8=105鈥2锛涳紙鍟嗘槸涓や綅鏁帮級
绛旓細绛旀锛104锛51鈥1锛105鈥2 瑙ｆ瀽锛氳瘯棰樺垎鏋愶細鏍规嵁闄ゆ暟鏄竴浣嶆暟鐨勬暣鏁伴櫎娉曟硶鍒欙紝鍏堢敤闄ゆ暟璇曢櫎琚櫎鏁扮殑鍓涓浣嶆暟锛濡傛灉澶т簬鎴栧ぇ浜庨櫎鏁帮紝璇存槑鍓嶄竴浣嶆暟澶熼櫎锛屽晢鐨勬渶楂樹綅鏄櫨浣嶏紝鍟嗗氨鏄笁浣嶆暟锛屽鏋滀笉澶熼櫎锛屽氨鐪嬭闄ゆ暟鐨勫墠涓や綅鏁帮紝閭ｄ箞鍟嗙殑鏈楂樹綅鏄崄浣嶏紝鎵浠ュ晢鏄袱浣鏁帮紝鍐鏍规嵁闄ゆ暟鏄竴浣嶆暟鐨勯櫎娉曠珫寮...
