作业帮39*148/149+148*86/149+48*74/149= 要简便
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/16 06:29:25
x)32474Zf`&enb*X|]Ó}mIQ_`gCmjklyx:T=f<#8cB=JL,b6yv Hd|
39*148/149+148*86/149+48*74/149= 要简便
39*148/149+148*86/149+48*74/149= 要简便
39*148/149+148*86/149+48*74/149= 要简便
39*148/149+148*86/149+48*74/149
＝39×148/149＋86×148/149＋24×148/149
＝（39＋86＋24）×148/149
＝149×148/149
＝148