小数的乘法(三),小数乘小数,http:/ 0.8 - 40.96,51.20.8=40.96(元),扩大10倍 512 扩大10倍 8 -缩小100倍 4096,http:/ 0.25- 2560 1024- 12.800,两个因数一共有三位小数，就从积的右边起数出三位，点上小数点。,答：“买千克应付元，买千克应付元。,http:/ 3 2 1 60.486.7= 3 2 1 64.80.67= 3 2 1 60.480.67= 3 2 1 6,.,.,.,0.,http:/ 1.20.3 0.1730.60.5 0.481 1.60.40.70.6 10.58 1.50.2,=0.12 =0.36 =0.51,=0.3 =0.48 =0.64,=0.42 =0.58 =0.3,你算对了吗？,http:/ 1千瓦时电可以采煤0.105吨，50.4千瓦时电可以采煤多少吨？,0.10550.4=5.292（吨）答：50.4千瓦时电可以采煤5.292吨。,http:/
