数学题5比8少百分之几怎么算？ 8比5多百分之几，5比8少百分之几？请讲解一下
5\u6bd48\u5c11\u767e\u5206\u4e4b\u51e0\u600e\u4e48\u7b97\uff1f8\u6bd45\u591a\u767e\u5206\u4e4b60
\uff088-5\uff09\u00f75
=3\u00f75
=60%
5\u6bd48\u5c11\u767e\u5206\u4e4b37.5
\uff088-5\uff09\u00f78
=3\u00f78
=37.5%
8\u6bd45\u591a3\uff0c3\u662f5\u76843/5*100%=60%\uff0c\u53738\u6bd45\u591a\u767e\u5206\u4e4b\u516d\u5341\uff1b
5\u6bd48\u5c113\uff0c3\u662f8\u76843/8*100%=37.5%\uff0c\u53735\u6bd48\u5c11\u767e\u5206\u4e4b37.5\u3002
\u6216
\uff081\uff09\uff088-5\uff09\u00f75\u00d7100%
\uff082\uff09\uff088-5\uff09\u00f78\u00d7100%
=3\u00f75\u00d7100% =3\u00f78\u00d7100%
=\u4e94\u5206\u4e4b\u4e09\u00d7100% =\u516b\u5206\u4e4b\u4e09\u00d7100%
=0.6\u00d7100% =0.375\u00d7100%
=60% =37.5%
\u6269\u5c55\u8d44\u6599\uff1a
\u767e\u5206\u6570\u4e5f\u53eb\u505a\u767e\u5206\u7387\u6216\u767e\u5206\u6bd4\uff0c\u901a\u5e38\u4e0d\u5199\u6210\u5206\u6570\u7684\u5f62\u5f0f\uff0c\u800c\u91c7\u7528\u767e\u5206\u53f7\uff08%\uff09\u6765\u8868\u793a\uff0c\u598241%\uff0c1%\u7b49\u3002\u7531\u4e8e\u767e\u5206\u6570\u7684\u5206\u6bcd\u90fd\u662f100\uff0c\u4e5f\u5c31\u662f\u90fd\u4ee51%\u4f5c\u5355\u4f4d\uff0c\u56e0\u6b64\u4fbf\u4e8e\u6bd4\u8f83\u3002\u767e\u5206\u6570\u53ea\u8868\u793a\u4e24\u4e2a\u6570\u7684\u5173\u7cfb\uff0c\u6240\u4ee5\u767e\u5206\u53f7\u540e\u4e0d\u53ef\u4ee5\u52a0\u5355\u4f4d\u3002
\u767e\u5206\u6bd4\u662f\u4e00\u79cd\u8868\u8fbe\u6bd4\u4f8b\uff0c\u6bd4\u7387\u6216\u5206\u6570\u6570\u503c\u7684\u65b9\u6cd5\uff0c\u598282%\u4ee3\u8868\u767e\u5206\u4e4b\u516b\u5341\u4e8c\uff0c\u621682/100\u30010.82\u3002\u6210\u548c\u6298\u5219\u8868\u793a\u5341\u5206\u4e4b\u51e0\uff0c\u4e3e\u4f8b\u5982\u201c\u4e03\u6210\u201d\u548c\u201c\u4e03\u6298\u201d\uff0c\u4ee3\u886870/100\u621670%\u62160.7\u3002\u6240\u4ee5\u767e\u5206\u6bd4\u540e\u9762\u4e0d\u80fd\u63a5\u5355\u4f4d\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u767e\u5206\u6bd4
8减5得3三除以八等于百分之三十七点五
等你把中文的文字游戏参透了，一切就ok了
(8-5)/8*100%=3/8*100%=37.5%
（8-5）/8 ×100%
注意：比谁少，或者比谁多
都要以”谁“为分母
故： （8-3）/8=3/8=37.5%
绛旓細涓夊崄姣20澶氫簡鐧惧垎涔50锛5姣8灏戠櫨鍒嗕箣37.5锛7绫虫瘮8绫冲皯浜嗙櫨鍒嗕箣12.5銆
绛旓細鍏堟眰涓ゆ暟鐨勫樊锛岀劧鍚庢瘮璋佸氨闄や互璋侊紝寰楁暟鍐欐垚鐧惧垎鏁扮殑褰㈠紡銆備妇渚嬶細锛1锛8姣5澶氱櫨鍒嗕箣鍑 锛8-5锛壝5=60 锛2锛5姣8灏戠櫨鍒嗕箣鍑 锛8-5锛壝8=37.5 鍏朵腑锛8-5锛壝5=0.6锛0.6鍐欐垚鐧惧垎鏁板舰寮忥紝鍏堟妸0.6鍐欐垚0.6/1锛岀劧鍚庡垎瀛愬垎姣嶅悓鏃朵箻浠100鍗冲彲銆傚悓鐞嗗彲寰楋紙8-5锛壝8鐨勭櫨鍒嗘暟褰㈠紡銆
绛旓細8姣5=鐧惧垎涔160,5姣8=0.625;鎮ㄥソ锛岀瓟棰樹笉鏄 濡傛湁甯姪璇烽噰绾筹紝璋㈣阿锛
绛旓細鍥炵瓟锛氭妸鍏ㄧ彮浜烘暟鐪嬩綔鍗曚綅1,鐢风敓鍗5/8,鍒欏コ鐢熷崰1-5/8=3/8 濂崇敓姣旂敺鐢熷皯:(5/8-3/8)梅5/8=40%
绛旓細8梅5x100%=160 鐢叉暟鏄箼鏁扮殑160 (8-5)梅8x100 =37.5 涔欐暟姣旂敳鏁板皯37.5
绛旓細鎮ㄥソ锛氫箼鏁版瘮鐢叉暟灏戯細锛8-5锛壝8=37.5锛 鐢叉暟姣斾箼鏁板锛氾紙8-5锛壝5=60锛 鏈変笉鏄庣櫧鐨勫彲浠ヨ拷闂紒濡傛灉鏈夊府鍔╁笇鏈涢噰绾炽傝阿璋紒锛
绛旓細绛旀 锛5-4锛/5=20% (8-5)/5=60
绛旓細5鏄8鐨62.5%銆傝绠楄繃绋嬪涓嬶細5梅8=0.625=62.5 鎵浠5鏄8鐨62.5
绛旓細鍋囪鍏ㄧ彮浜烘暟8浜猴紝閭ｄ箞鐢风敓浜烘暟灏辨槸5浜猴紝閭ｄ箞鐢锋瘮濂冲2浜猴紝鐢风敓姣斿コ鐢熷鍏ㄥ勾绾х殑鐧惧垎姣鏄 2/8*100%=25 杩樻湁鐤戦棶璇疯锛屾弧鎰忎簡璇烽噰绾筹紝璋㈣阿锛
绛旓細锛8-3锛壝8=62.5 鍦ㄨ繖绫棰樼洰涓紝鈥滄瘮鈥濄佲滄槸鈥濆悗闈㈤偅涓噺灏辨槸100%銆備緥濡傛湰棰樷滄瘮鈥8灏锛屼簬鏄彲鐭ワ紝8灏辨槸100%锛5鏄8鐨62.5%锛屾晠绛旀鏄62.5%銆
