6x+4脳0.7=11.8
\u89e3\u65b9\u7a0b\uff0c7x=7\u5206\u4e4b4 x\u00f78\u5206\u4e4b5=3\u5206\u4e4b1 11\u5206\u4e4b6x\u00f73\u5206\u4e4b1=27x=7\u5206\u4e4b4
x=49\u5206\u4e4b4
x\u00f78\u5206\u4e4b5=3\u5206\u4e4b1
x=24\u5206\u4e4b5
11\u5206\u4e4b6x\u00f73\u5206\u4e4b1=2
11\u5206\u4e4b6x=6
x=11
\u4e58\u4ee57
-28\u22642-6x\u226456
\u6240\u4ee5-56\u22646x-2\u226428
\u52a0\u4e0a2\u2018
-54\u22646x\u226430
\u9664\u4ee56
-9\u2264x\u22645
解：6x+2.8=11.8
6x=11.8-2.8
6x=9
x=9÷6
x=1.5
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绛旓細锛1锛夛紙5-1.5锛墄=10.5锛 3.5x=10.5锛 3.5x梅3.5=10.5梅3.5锛寈=3锛涳紙2锛3.2脳锛坸+1.5锛=8.64锛3.2脳锛坸+1.5锛壝3.2=8.64梅3.2锛 x+1.5=2.7锛寈+1.5-1.5=2.7-1.5锛 x=1.2锛涳紙3锛0.51x+0.09x=4.8锛 0.6x=4.8锛 0.6x梅0.6=4.8梅0.6锛 ...
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绛旓細锛20-9.8锛壝5-5.1 25脳3.9脳4 18鍒嗕箣7脳25鍒嗕箣13+25鍒嗕箣12梅7鍒嗕箣18 42脳锛1-7鍒嗕箣5锛壝17鍒嗕箣6 130梅[72脳锛8鍒嗕箣5-9鍒嗕箣5锛塢3.姹傛湭鐭ユ暟x銆傦紙瑕佸啓鍑鸿繃绋嬶級4鍒嗕箣1x+1.2脳0.5=2 6x-3.5x=50 3x梅2鍒嗕箣1=10 鍥涖佹寜瑕佹眰鐢诲浘銆傦紙娉細鐢诲浘璇风敤鐢诲浘宸ュ叿...
绛旓細瑙ｇ瓟濡傚浘
绛旓細瑙ｏ細锛1锛夎鐢叉按鍘傜殑鏃ヤ緵姘撮噺鏄痻涓囩珛鏂圭背锛屽垯涔欐按鍘傜殑鏃ヤ緵姘撮噺鏄3x涓囩珛鏂圭背锛屼笝姘村巶鐨勬棩渚涙按閲忔槸锛坸/2+1锛変竾绔嬫柟绫筹紟鐢遍鎰忓緱锛歺+3x+x/2+1=11.8锛岃В寰楋細x=2.4锛庣瓟锛氱敳姘村巶鏃ヤ緵姘撮噺鏄2.4涓囩珛鏂圭背锛屼箼姘村巶鏃ヤ緵姘撮噺鏄7.2涓囩珛鏂圭背锛屼笝姘村巶鏃ヤ緵姘撮噺鏄2.2涓囩珛鏂圭背锛庯紙2锛夎В锛氳姣忚締A鍨...
