除数是小数的除法鸡鸡 蛋蛋4.2元元/千克千克猴妈妈买鸡蛋用去7.98元我买了多少千克鸡蛋?总价单价=数量7.984.2=7.984.2小数整数怎样转化?小数整数怎样转化?7.984.2=79.842798420798427.984.210107.984.2100 1007.984.2100 10商不变规律79.842=1.97.984.2=798420=1.98.79421.42378937807984201.4203780937800简便简便79.8427.984.2=101098.72.48.7942除数的小数点是怎么动的?被除数的小数点又是怎么动的?798421.42378937807.984.2=.1.9(千克)4 21 93 7 84 27 9 8.验算:答:猴妈妈买了1.9千克鸡蛋。3 8.47.056 7.08.16 19.056.03 8.47.06.94 26363056 7.08.10.4272363606 19.056.00.351682802800 0.120.3=()30.120.120.03=0.03=()3 36.726.720.28=0.28=()28280.6720.6720.28=0.28=()282810101.21.2121267.267.267.267.2商变了!除数是小数的除法是如何转化的呢?再见再见