解一元一次方程--去分母技巧

精品文档。1欢迎下载解一元一次方程 — 去分母1 巧化分母为一1.08.12.04.535.06.14xxxxxx1018)2715(2.388.53x1529x3 巧用拆分2863231xxx24213313xxx213142x323x5 巧乘适当数去分母105.0225.012xx104248xx186x3x7 不去括号反而添括号13212121xxx1321211121xxx13214121121xxx211125 x511x9 巧约分去分母5.702.0202.05.61.0064xx01.001.011.0064xxxx01.001.06454x巧相乘5.3125.0x28x两边同乘 8 巧移项2 巧化同分母106.05.016.06.0xx6.006.0006.05.016.006.0.10xx06.05.016.0.10xx3011x4 巧去括号法则2314xx643x8x6 整体合并去括号99193131xxxx99199131xxxx032 x0x8 整体合并去分母5323531xx3532531xx35x8x10 拆分分数去分母1321252xxxx32520x11 巧用分配律0279999263673256xxx039999323673256xxx0399992367256x由于099992367256所以03x即0x巧 约公因数22143223xx精品文档。2欢迎下载31172351719xx31351721719 x2x巧消项9123653421xxx34653421xxx6521 x35x1008218010010180x10090161009080x1680x