39乘149分之148加148乘149分之86加48乘149分之74
网友回答
39x148/149+148x86/149+48x74/149
=(39*148+148*86+48*74)/149
=(148*125+48*74)/149
=22052/149
=148======以下答案可供参考======
供参考答案1:
39x148/149+148x86/149+48x74/149
=(39*148+148*86+48*74)/149
=(148*125+48*74)/149
=22052/149
=148