[8.34 8.34 8.34 8.34]乘0.25怎样简便计算?

问题描述:

[8.34 8.34 8.34 8.34]乘0.25怎样简便计算?

漏了加号吧
(8.34+8.34+8.34+8.34)×0.25
=8.34×4×0.25
=8.34×1
=8.34