2.5*12.5*6.4*1.7怎么巧算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/13 18:28:02
2.5*12.5*6.4*1.7怎么巧算?2.5*12.5*6.4*1.7怎么巧算?2.5*12.5*6.4*1.7怎么巧算?2.5*12.5*6.4*1.7=2.5*12.5*0.8*8*1.7=2

2.5*12.5*6.4*1.7怎么巧算?
2.5*12.5*6.4*1.7怎么巧算?

2.5*12.5*6.4*1.7怎么巧算?
2.5*12.5*6.4*1.7
=2.5*12.5*0.8*8*1.7
=2*100*1.7
=340