4x-3x9=29的方程的解 4x-3x9=29解方程
4x-3x9=29\u7684\u89e3\u65b9\u7a0b4\u00d7\uff0d27\uff1d29 4\u00d7\uff1d29\uff0b27 4\u00d7\uff1d56 \u00d7\uff1d56\u96644 \u00d7\uff1d14
4x-3\u00d79=29
4x=29+27
4x=56
x=14
\u6269\u5c55\u8d44\u6599
\u89e3\u65b9\u7a0b\u4f9d\u636e
1\u3001\u79fb\u9879\u53d8\u53f7\uff1a\u628a\u65b9\u7a0b\u4e2d\u7684\u67d0\u4e9b\u9879\u5e26\u7740\u524d\u9762\u7684\u7b26\u53f7\u4ece\u65b9\u7a0b\u7684\u4e00\u8fb9\u79fb\u5230\u53e6\u4e00\u8fb9\uff0c\u5e76\u4e14\u52a0\u53d8\u51cf\uff0c\u51cf\u53d8\u52a0\uff0c\u4e58\u53d8\u9664\u4ee5\uff0c\u9664\u4ee5\u53d8\u4e58\uff1b
2\u3001\u7b49\u5f0f\u7684\u57fa\u672c\u6027\u8d28\uff1a
\uff081\uff09\u7b49\u5f0f\u4e24\u8fb9\u540c\u65f6\u52a0(\u6216\u51cf)\u540c\u4e00\u4e2a\u6570\u6216\u540c\u4e00\u4e2a\u4ee3\u6570\u5f0f\uff0c\u6240\u5f97\u7684\u7ed3\u679c\u4ecd\u662f\u7b49\u5f0f\u3002\u7528\u5b57\u6bcd\u8868\u793a\u4e3a\uff1a\u82e5a=b\uff0cc\u4e3a\u4e00\u4e2a\u6570\u6216\u4e00\u4e2a\u4ee3\u6570\u5f0f\u3002
\uff082\uff09\u7b49\u5f0f\u7684\u4e24\u8fb9\u540c\u65f6\u4e58\u6216\u9664\u4ee5\u540c\u4e00\u4e2a\u4e0d\u4e3a0\u7684\u6570\uff0c\u6240\u5f97\u7684\u7ed3\u679c\u4ecd\u662f\u7b49\u5f0f\u3002\u7528\u5b57\u6bcd\u8868\u793a\u4e3a\uff1a\u82e5a=b\uff0cc\u4e3a\u4e00\u4e2a\u6570\u6216\u4e00\u4e2a\u4ee3\u6570\u5f0f\uff08\u4e0d\u4e3a0\uff09\u3002
4x-3x9=29
4x-27=29
4x-27+27=29+27
4x=56
4x/4 =56/4
x=14
4x=29+3x9=29+27=56
x=56/4=14
4x=29-27
4x=2
x=-1/2
绛旓細4X-3X9=29 4X-27=29 4X=29+27 4X=56 X=14
绛旓細瑙ｏ細鍘熷紡=4X-27=29 4X=56 X=14
绛旓細鎮ㄥソ锛屽瘨妯辨殩鏆栦负浣犺В绛旓細瑙ｏ細4X=29+27 4x =56 X =16 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℃剰鍥炵瓟銆戞寜閽紝锛堟垨鍦ㄥ鎴风鍙充笂瑙掕瘎浠风偣銆愭弧鎰忋戯級浣犵殑閲囩撼锛屾槸鎴戝墠杩涚殑鍔ㄥ姏! 涔熶細缁欎綘甯﹀幓璐㈠瘜鍊肩殑銆傚鏈変笉鏄庣櫧锛屽彲浠ヨ拷闂紝鐩村埌瀹屾垚寮勬噦姝ら!
绛旓細4脳锛27锛29 4脳锛29锛27 4脳锛56 脳锛56闄4 脳锛14
绛旓細1銆瑙ｆ柟绋锛4x-3脳9=29 4x-27=29 4x-27+27=29+27 4x=56 4x梅4=56梅4 x=14 2銆佽В鏂圭▼鐨渚濇嵁锛氱瓑寮忕殑鍩烘湰鎬ц川锛堢瓑寮忎袱杈癸紝鍚屾椂鍔犱笂銆佸噺鍘汇佷箻涓婇櫎浠ョ浉鍚岀殑鏁帮紝0闄ゅ銆傜瓑寮忎粛鐒舵垚绔嬨傦級
绛旓細瑙ｏ細锛1锛4X - 3* 9= 29 4x-27=29 4x=27+29 4x=56 x=56梅4 x=14 锛2锛(4x-3)X9=29 36 X - 27= 29 36 X =29+27 36 X = 56 X = 56 梅 36 X= 14 / 9
绛旓細4✘-3x9=29 4✘-27=29-27 4✘=2 4✘梅4=2梅4 ✘=0.5
绛旓細鍥炵瓟锛4X鈥3x9=29 4X涓27=29 4X涓27+27=29+27 4X闄4=56闄4 X=14
绛旓細杩欐槸涓閬撲竴鍏冧竴娆℃柟绋嬮鐩紝瑙ｇ瓟濡備笅鎵绀恒傝В锛4x-3脳9锛29 4x-27锛29 4x锛29+27 4x锛56 x锛56梅4 x锛14 浣挎柟绋嬪乏鍙充袱杈圭浉绛夌殑鏈煡鏁扮殑鍊硷紝鍙仛鏂圭▼鐨勮В銆傛眰鏂圭▼鐨勮В鐨勮繃绋嬪彨鍋瑙ｆ柟绋銆傚繀椤诲惈鏈夋湭鐭ユ暟绛夊紡鐨勭瓑寮忔墠鍙柟绋嬨傜瓑寮忎笉涓瀹氭槸鏂圭▼锛屾柟绋嬩竴瀹氭槸绛夊紡銆傜浉鍏虫蹇 1.鍚湁鏈煡鏁扮殑绛夊紡鍙...
绛旓細鎮ㄥソ锛4脳锛3x9=29 4x-27=29 4x=27+29 4x=56 x=14 ~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℃剰鍥炵瓟銆戞寜閽畘~鎵嬫満鎻愰棶鑰呭湪瀹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泘~~濡傝繕鏈夋柊鐨勯棶棰橈紝璇峰彟澶栧悜鎴戞眰鍔╋紝绛旈涓嶆槗锛屾暚璇疯皡瑙~O(鈭鈭)O锛岃寰楀ソ璇勫拰閲囩撼锛屼簰鐩稿府鍔 绁...
