[经济] 解联立遇到瓶颈....

楼主: jane558088 (vanilla)   2011-02-17 01:01:19
Y=7200+200i
Y=2250+250i
该怎么解联立呢ˊˋ
我有用相减的可是答案不对... ㄒㄒ
谢谢
作者: butcher ( )   2011-02-21 02:49:00
7200 + 200i = 2250 + 250i50i = 4950 i = 99

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