(x减九十)乘三点六等于十八这道方程怎么算 六x减十二点八乘三等于零点六又方程怎么做
x\u51cf5/6\u7b49\u4e8e1/9\u8bf7\u95ee\u8fd9\u9053\u89e3\u65b9\u7a0b\u8ba1\u7b97\u8fc7\u7a0b\u600e\u4e48\u7b97\uff1fx=5/6+1/9
=15/18+2/18
=(15+2)/18
=17/18
\u5206\u6570\u8ba1\u7b97\u65b9\u6cd5\uff1a
1\u3001\u5206\u6570\u7ea6\u5206\u7684\u6b65\u9aa4\u65b9\u6cd5\uff1a
\uff081\uff09\u5c06\u5206\u5b50\u5206\u6bcd\u5206\u89e3\u56e0\u6570\u3002
\uff082\uff09\u627e\u51fa\u5206\u5b50\u5206\u6bcd\u516c\u56e0\u6570\u3002
\uff083\uff09\u6d88\u53bb\u975e\u96f6\u516c\u56e0\u6570\u3002
2\u3001\u5206\u6570\u7684\u4e58\u6cd5\u8fd0\u7b97\uff1a
\uff081\uff09\u5206\u6570\u4e58\u6574\u6570\uff0c\u5206\u6bcd\u4e0d\u53d8\uff0c\u5206\u5b50\u4e58\u6574\u6570\uff0c\u6700\u540e\u80fd\u7ea6\u5206\u7684\u8981\u7ea6\u5206\u3002
\uff082\uff09\u5206\u6570\u4e58\u5206\u6570\uff0c\u7528\u5206\u5b50\u4e58\u5206\u5b50\uff0c\u7528\u5206\u6bcd\u4e58\u5206\u6bcd\uff0c\u6700\u540e\u80fd\u7ea6\u5206\u7684\u8981\u7ea6\u5206\u3002
\u89c1\u56fe
x-90=18÷3.6
x-90=5
x=90+5
x=95
绛旓細8X-3.6=14 瑙ｏ細8X=14+3.6 8X=17.6 X=17.6梅8 X=2.2
绛旓細瑙ｏ細13x-7.5=18.7 13x=18.7+7.5 13x=26.2 x=131/65锛堟垨鈮2.02锛夆埓鏂圭▼鐨勮В涓131/65锛堟垨2.02锛夈
绛旓細13X-7.5X=18.7 5.5X=18.7 X=3.4
绛旓細X-0.7X=3.6锛0.3X=3.6锛孹=12銆
绛旓細0.8x-0.6x=3.6 0.2x=3.6 x=18
绛旓細0.4x+3脳6=18 瑙ｏ細0.4x+18=18 0.4x=0 x=0 銆愰獙绠椼戯細灏唜=0浠ｅ叆鍘熸柟绋嬩腑锛屽緱 0.4脳0+3脳6=18 0+3脳6=18 3脳6=18 --- 绁濇偍瀛︿範杩涙锛侀噰绾虫槸鎴戝墠杩涚殑鍔ㄥ姏~濡傛灉鎮ㄨ寰楁弧鎰忥紝鍙互鐐瑰嚮鍙充笂瑙掔殑鈥濋噰绾斥滃摝锛佹墜鏈虹敤鎴风偣鍑烩濇弧鎰忊滃嵆鍙紒
绛旓細3x=18锛岃繖鏍锋槸闈炲父濂借绠楃殑锛屼竴涓柟绋嬪紡鎶婃柟绋嬬殑涓よ竟鍚屾椂闄や互3锛屽乏杈瑰氨绛変簬X锛屽彸杈绛変簬18梅3锛屾墍浠鐨勭粨鏋滃氨鏄绛変簬6銆
绛旓細x-3.6=12.53;x-3.6+3.6=12.53+3.6;x=16.13;璇烽噰绾 濡傛灉浣犺鍙垜鐨勫洖绛旓紝鏁鍙婃椂閲囩撼锛寏濡傛灉浣犺鍙垜鐨勫洖绛旓紝璇峰強鏃剁偣鍑汇愰噰绾充负婊℃剰鍥炵瓟銆戞寜閽 ~~鎵嬫満鎻愰棶鐨勬湅鍙嬪湪瀹㈡埛绔彸涓婅璇勪环鐐广愭弧鎰忋戝嵆鍙倊浣犵殑閲囩撼鏄垜鍓嶈繘鐨勫姩鍔 ~~O(鈭鈭)O锛岃寰楀ソ璇勫拰閲囩撼锛屼簰鐩稿府鍔 ...
绛旓細涓冨張浜斿垎涔嬩簩鍑忓幓浜屽崄涓夊姞涓婂洓鍙堜簲鍒嗕箣鍥涘姞涓婅礋浜旂偣涔濆噺鍘昏礋鍗佷笁鍑忓幓鍥涚偣涓绛変簬澶氬皯锛燂紵 璐熸煉鐐规崒銆涓夌偣涓変箻鍥涘垎涔嬩笁鍔犻浂鐐逛竷浜斾箻浜斿張鍗佸垎涔嬩竷鍔犵櫨鍒嗕箣涓冨崄浜旂瓑浜 瑙ｏ細 =3.3*3/4+3/4*5.7+3/4 =锛3.3+5.7+1锛*3/4 =7.5 x鍑忓幓浜屽崄鍒嗕箣涓墄绛変簬鍗佸叓鐐逛竷 X-3X/20=...
绛旓細18x鍑忓崄鍏箻浠32鐐逛簲绛変簬57鐐瑰叚 18x-585=57.6 18x=585+57.6 18x=642.6 x=35.7
