列方程解应用题(3道)例:一个自然保护区有天鹅和丹顶鹤共960只,天鹅是丹顶鹤的2.2倍.天鹅和丹顶鹤各有多少只?设丹顶鹤有X只,那么天鹅有2.2X只.X+2.2X=9603.2X=960X=3002.2X=300*(乘)2.2=660答:
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![列方程解应用题(3道)例:一个自然保护区有天鹅和丹顶鹤共960只,天鹅是丹顶鹤的2.2倍.天鹅和丹顶鹤各有多少只?设丹顶鹤有X只,那么天鹅有2.2X只.X+2.2X=9603.2X=960X=3002.2X=300*(乘)2.2=660答:](/uploads/image/z/5160412-28-2.jpg?t=%E5%88%97%E6%96%B9%E7%A8%8B%E8%A7%A3%E5%BA%94%E7%94%A8%E9%A2%98%EF%BC%883%E9%81%93%EF%BC%89%E4%BE%8B%EF%BC%9A%E4%B8%80%E4%B8%AA%E8%87%AA%E7%84%B6%E4%BF%9D%E6%8A%A4%E5%8C%BA%E6%9C%89%E5%A4%A9%E9%B9%85%E5%92%8C%E4%B8%B9%E9%A1%B6%E9%B9%A4%E5%85%B1960%E5%8F%AA%2C%E5%A4%A9%E9%B9%85%E6%98%AF%E4%B8%B9%E9%A1%B6%E9%B9%A4%E7%9A%842.2%E5%80%8D.%E5%A4%A9%E9%B9%85%E5%92%8C%E4%B8%B9%E9%A1%B6%E9%B9%A4%E5%90%84%E6%9C%89%E5%A4%9A%E5%B0%91%E5%8F%AA%3F%E8%AE%BE%E4%B8%B9%E9%A1%B6%E9%B9%A4%E6%9C%89X%E5%8F%AA%2C%E9%82%A3%E4%B9%88%E5%A4%A9%E9%B9%85%E6%9C%892.2X%E5%8F%AA.X%2B2.2X%3D9603.2X%3D960X%3D3002.2X%3D300%2A%EF%BC%88%E4%B9%98%EF%BC%892.2%3D660%E7%AD%94%EF%BC%9A)
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