25*2.64+12.5*0.726+0.125=( *代表乘,要简便方法

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/06 14:50:47
25*2.64+12.5*0.726+0.125=(*代表乘,要简便方法25*2.64+12.5*0.726+0.125=(*代表乘,要简便方法25*2.64+12.5*0.726+0.125=(*代

25*2.64+12.5*0.726+0.125=( *代表乘,要简便方法
25*2.64+12.5*0.726+0.125=( *代表乘,
要简便方法

25*2.64+12.5*0.726+0.125=( *代表乘,要简便方法
25*2.64+12.5*0.726+0.125=0.125×(200×2.64+100×0.726+1)=0.125×(528+72.6+1)
=0.125×601.6=75.2