39*148\149+148*74\149
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/17 20:27:26
39*148\149+148*74\14939*148\149+148*74\14939*148\149+148*74\149独彭一霸：您好.39×148/149+148×74/149＝（39+74）
39*148\149+148*74\149
39*148\149+148*74\149
39*148\149+148*74\149
独彭一霸：您好.
39×148/149+148×74/149
＝（39+74）×148/149
＝113×148/149
＝16724/149
＝112又36/149
祝好,再见.
39*148\149+148*74\149
=（39+74）*148/149
=113(149-1)/149
=113-113/149
=112又36/149