1. 大致小.... 有.20/13 30/11 60/47 180/163
2a 3又3/2÷(1又6/5x4又7/2)
2b(2又8/5-4/3)÷(3又4/3x2/1)
2c 2又5/2x1又3/2-1又5/2÷1又4/3
2d (3又2/1+2又3/1)÷(7又4/3-2又3/1)
5該呀~我要ma D 例式!!! /THX=]
收錄日期: 2021-04-23 15:27:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070911000051KK02147