27.9乘以7.4538竖式怎么算?

27.9乘以7.4538竖式怎么算? 0.78乘以3.2竖式怎么列 四乘以12.25%乘以2乘以0.3怎么算 29乘以30+30乘以31+31乘以32-----49乘以50怎么简算 五年级 0.15乘以0.8乘以12.5加8乘以3乘以0.125怎么简便算 7乘以0.68的竖式怎么列 11.00乘以2.7的竖式怎么列 325乘以8的竖式怎么立 0.404乘以1.5的竖式怎么列=0.606 34乘以41的竖式怎么写 0.25乘以3.04的竖式怎么列 0.456乘以0.24的竖式怎么列