7+7+7+7-7改写成乘法算式是多少请帮我解答一下？ 7+7-7+7-7可以改写成乘法算式吗?
\u5c067+7+7+7+7\u6539\u5199\u6210\u4e58\u6cd5\u7b97\u5f0f\u662f7\u00d75\u5bf9\u5417\u5c067+7+7+7+7\u6539\u5199\u6210\u4e58\u6cd5\u7b97\u5f0f\u662f7\u00d75\u5bf9\u5417
\u5bf9\uff0c\u4e0d\u8fc7\u6700\u597d\u5199\u62105\u00d77\u4e00\u822c\u60c5\u51b5\u4e0b\u662f\u8fd9\u6837\u5199
5\u00d77
\u5c31\u8868\u793a5\u4e2a7\u76f8\u52a0\u3002
7+7-7+7-7
=\uff087+7+7\uff09-\uff087+7\uff09
=7\u00d73-7\u00d72
=21-14
=7
绛旓細涔樻硶绠楀紡鏄1111脳7
绛旓細7脳3-7 锛7脳锛3-1锛=14
绛旓細鍏堜箻闄わ紝鍚庡姞鍑忋傛牴鎹姞鍑忎箻闄ゅ洓鍒欒繍绠楁硶鍒欙紝鍏堢畻涔樻硶鍐嶇畻鍑忔硶銆傚嵆7脳7-7锛屼箻娉曞彛璇鏄竷涓冨洓鍗佷節锛鎵浠7脳7-7=49-7=42銆
绛旓細7锛7锛7锛7锛7锛屼笉鑳芥敼鍐欐垚涓轰箻娉曠畻寮锛屽彧鑳芥敼鍐欐垚涓哄噺娉曞拰涔樻硶鐨勬贩鍚堢畻寮忥紝灏辨槸锛7锛(7脳4)璇烽噰绾宠阿璋紒
绛旓細7+7+7+7锛7锛7+7+7锛3脳7
绛旓細7+7-7+7-7 =锛7+7+7锛-锛7+7锛=7脳3-7脳2 =21-14 =7
绛旓細7x3-7=7x2=14
绛旓細7脳3-7=7脳2銆傚氨鍍忎竴涓垚鐔熷姞鍑忎箻闄ゆ贩鍚杩愮畻鐨勯棶棰橈紝姣旇緝绠鍗曪紝棰樼洰涓秹鍙婄殑鏁版槸7脳3-7锛岀劧鍚庢垜浠彲浠ヨ繍鐢ㄤ氦鎹㈡硶锛屾垜浠厛灏嗕竴鏍风殑鏁7鎻愬嚭鍘讳簡锛屽彲浠ュ緱鍒7脳锛3-1锛=7脳2銆傝繖鏍锋垜浠氳繃绠鍗鐨勮绠灏卞彲浠ュ緱鍑虹储瑕佺殑缁撹锛7脳3-7=7脳2銆
绛旓細杩欎釜棰樼洰鐨勬纭瓟妗堟槸7x3涓7鏀逛负涔樻硶绠楀紡鏄7?2=17銆傛牴鎹綋鑲7脳3-7 鐨勫惈涔夋槸鏈変笁涓涓鐩稿姞 鐒跺悗鍐嶅噺鍘讳竴涓 7锛屽洜姝ゆ渶鍚庡墿涓嬬殑鍙湁涓や釜7銆傛墍浠ユ垜浠彲浠ユ牴鎹垽鏂嚭鏉ョ殑 缁撹锛岀敤7?2=14銆傛墍浠ユ垜浠湪瑙ｇ瓟杩欎竴绫婚鐩殑鏃跺 瑕佺煡閬撲箻娉曠殑鍚勪釜浣嶆暟鐨勫惈涔 銆傚氨鍙互瑙ｉ櫎绛旀浜 ...
绛旓細瀵广備箻娉曪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7+7+7+7+7琛ㄧず鐨5涓7鐩稿姞锛屼篃灏辨槸7鐨5鍊嶏紝涔樻硶绠楀紡涓锛7脳5銆
