8乘以246加54乘以8用简便方法怎么算
8乘以246加54乘以8用简便方法怎么算
8乘以246+4乘以8用简便方法怎么算
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
5乘以99加5用简便方法怎么算
用简便方法计算1加36乘以36加36乘以64怎么算呀
0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
36乘以111加888乘以8简便方法计算
(8+0.8)乘以0.125用简便方法怎么算
54乘以125乘以25乘以5用简便方法怎么算
3/8乘以4/7除以3/8乘以4/7用简便方法怎么算?
6/11乘以7/8减去5/12乘以6/11 用简便方法怎么算
680乘以56加440乘以68用简便方法怎么算