14*22+0.22*3300+330*4.4+0.044*55000 求简便计算.要利用到小数

14*22+0.22*3300+330*4.4+0.044*55000 =14x22+22x33+33x22+44x55=14x22+22x33+33x22+22x110=22x(14+33+33+110)=22x190=22x200-22x10=4400-220=4180如果本题有什么不明白可以追问,请及时点击右下角的【采纳为满意回答...