[教學]出一道代數....
由 超人 於 星期一 五月 29, 2006 5:23 pm
#ed_op#DIV#ed_cl# 3 2 4#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#ABC+(AB x BC ) #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#__________ =?#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# 2 5 4#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# ABC AB C#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl#