Question

5.47*9.8怎么用简便方法运算

Answer 1

最好用心算能力9.8+0.2=10，5.47*10=54.7，5.47*0.2=1.094，54.7-1.094=53.606.小时候都是这么算的，希望能帮到您。

Answer 2

5.47*9.8用简便方法算：
原式=5.47*（10-0.2）
=5.47*10-5.47*0.2
=54.7-1.094
=53.606

Answer 3

5.47*9.8
=5.47*10-5.47*0.2
=54.7-1.094
=53.606