7.3乘以12.8+7.3乘以8.2怎样简便就怎样算

7.3乘以12.8+7.3乘以8.2怎样简便就怎样算 7.6乘以7.3加上1.9乘以4乘以7.3用简便方法计算怎么做? 9.8乘以65.2乘以1.25减12.5乘以0.625乘以18怎样简算 250乘以十三乘以四怎样简便就怎样计算. 0.125乘以9.6怎样简便 0.01乘以100怎样计算 998乘以1002怎样算 0.99乘以10.怎样简便 5656乘以36减去3636乘以56怎样简便运算 4.7乘以2.8+3.6乘以9.4怎样简便运算? 99乘以99减98乘以98怎样简便运算 35乘以4乘以35用简便方法怎样计算 9.4乘以0.98+6乘以0.098怎样简便运算 48乘以0.69+3.1乘以4.8怎样简便算 1.2乘以1.25减0.2乘以1.25怎样简便计算 怎样简便计算18乘以45加24乘以55? 1.25乘以2.5乘以32怎样简便计算 16乘以25乘以125怎样简便脱式计算