5+5+5+5+5+5改成乘法算式读作所用口决是
5x6=30读作五乘六口诀：五六三十
绛旓細5*5+5鍐欐垚涔樻硶绠楀紡 灏辨槸 5*6=30 灏辨槸杩欎釜绠楀紡
绛旓細5X4=20璇讳綔锛5涔4绛変簬20锛堜粠宸﹀線鍙宠锛夈4銆佹妸鍔犳硶绠楀紡鏀规垚涔樻硶绠楀紡銆3+3+3+3=3X4鎴4X3銆
绛旓細5+5+5+5鏀瑰啓鎴愪箻娉曠畻寮忔槸鍥涗簲浜屽崄銆備箻娉曪紙multiplication锛夛紝鏄寚灏嗙浉鍚岀殑鏁板姞璧锋潵鐨勫揩鎹锋柟寮忋傚叾杩愮畻缁撴灉绉颁负绉紝鈥渪鈥濇槸涔樺彿銆備粠鍝插瑙掑害瑙ｆ瀽锛屼箻娉曟槸鍔犳硶鐨勯噺鍙樺鑷寸殑璐ㄥ彉缁撴灉銆傛暣鏁帮紙鍖呮嫭璐熸暟锛夛紝鏈夌悊鏁帮紙鍒嗘暟锛夊拰瀹炴暟鐨勪箻娉曠敱杩欎釜鍩烘湰瀹氫箟鐨勭郴缁熸硾鍖栨潵瀹氫箟銆備箻娉曚篃鍙互琚涓鸿绠楁帓鍒楀湪鐭╁舰锛堟暣鏁帮級...
绛旓細5涓5鐩稿姞鍐嶅噺5鏀瑰啓鎴愪箻娉曠畻寮忓氨鏄5x锛5-1锛銆傚洜涓5涓5鐩稿姞涔熷彲鍐欐垚5X5锛屾牴鎹鎰忓氨鍙互鍏堝啓鍑虹畻寮5x5-5锛岃繖鏃跺欏彲浠ュ彂鐜5x5涓5鏈変竴涓叕鍥犳暟5锛屾垜浠彲浠ユ彁鍙栧叕鍥犳暟5鍐欏湪鎷彿鐨勫闈紝鎷彿閲岄潰灏卞彲鍙樻垚5-1锛屽啓鎴愮畻寮忓氨鏄5x5-5=5脳锛5-涓級銆傛墍浠5涓5鐩稿姞鍐嶅噺5鏀规垚涔樻硶绠楀紡灏辨槸5脳锛5-l锛...
绛旓細5 5 5 5 10鍐欐垚涔樻硶绠楁暟锛5x6=30.锛10閲屾湁2涓5銆傦級甯屾湜鑳藉府鍒颁綘锛
绛旓細5+5+5鍐欐垚涔樻硶绠楀紡鏄細3X5鎴5X3銆傝В鏋愶細5+5+5锛岀敱涔樻硶鐨勬剰涔夊彲鍒椾箻娉曠畻寮忥細3脳5锛屼氦鎹袱涓洜鏁扮殑浣嶇疆鍙緱5脳3銆備箻娉曪紙multiplication锛夛紝鏄寚灏嗙浉鍚岀殑鏁板姞璧锋潵鐨勫揩鎹锋柟寮忋傚叾杩愮畻缁撴灉绉颁负绉紝鈥渪鈥濇槸涔樺彿銆備粠鍝插瑙掑害瑙ｆ瀽锛屼箻娉曟槸鍔犳硶鐨勯噺鍙樺鑷寸殑璐ㄥ彉缁撴灉銆傛暣鏁帮紙鍖呮嫭璐熸暟锛夛紝鏈夌悊鏁帮紙鍒嗘暟锛夊拰...
绛旓細5+5+5+5琛ㄧず锛4 锛変釜锛5 锛夌浉鍔狅紝鍐欐垚涔樻硶绠楀紡鏄紙4脳5 锛夋垨锛 5脳4锛夈5涔樹互4琛ㄧず鐨勬剰涔夋槸琛ㄧず4涓5鐩稿姞鐨勫拰锛屽嵆5脳4=5+5+5+5銆傛暣鏁扮殑涔樻硶杩愮畻婊¤冻锛氫氦鎹㈠緥锛岀粨鍚堝緥锛 鍒嗛厤寰嬶紝娑堝幓寰嬨傞殢鐫鏁板鐨勫彂灞曪紝 杩愮畻鐨勫璞′粠鏁存暟鍙戝睍涓烘洿涓鑸兢銆備箻娉曠殑璁＄畻娉曞垯锛氭暟浣嶅榻愶紝浠庡彸杈硅捣锛屼緷娆＄敤绗...
绛旓細5+5+5+5鍐欐垚涔樻硶绠楀紡鏄細4x5銆傛牴鎹鎰忓垪绠楀紡锛5+5+5+5 =5x4 =20 浠庡姞娉曚氦鎹㈠緥鍜岀粨鍚堝緥鍙互寰楀埌锛氬嚑涓姞鏁扮浉鍔狅紝鍙互浠绘剰浜ゆ崲鍔犳暟鐨勪綅缃紱鎴栬呭厛鎶婂嚑涓姞鏁扮浉鍔犲啀鍜屽叾浠栫殑鍔犳暟鐩稿姞锛屽畠浠殑鍜屼笉鍙樸備箻娉曞師鐞嗭細濡傛灉鍥犲彉閲廸涓庤嚜鍙橀噺x1锛寈2锛寈3锛屸︼紝xn涔嬮棿瀛樺湪鐩存帴姝ｆ瘮鍏崇郴骞朵笖姣忎釜鑷彉閲忓瓨鍦ㄨ川...
绛旓細5/5*5 =5
绛旓細鏂规硶1锛(5-5/5/5)*5=25-1=24 鏂规硶2锛(5*5*5-5)/5=5*5-1=24
