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畜牧人

標題: 誰幫我詳細解釋一下，圖中各百分率是怎么算的，老師教的我忘光了 [打印本頁]
作者: nihaozhanghu    時間: 2013-7-3 12:02
標題: 誰幫我詳細解釋一下，圖中各百分率是怎么算的，老師教的我忘光了
(, 下載次數: 0)
作者: nihaozhanghu    時間: 2013-7-3 12:45
梅山*長白
=100%梅山*100%長白
=（100%梅山+100%長白）÷2
=50%梅山
下面相同：
（100%梅山+50%梅山）÷2=75%梅山
（100%梅山+75%梅山）÷2=87.5%梅山
作者: nihaozhanghu    時間: 2013-7-3 12:45
我自己弄明白了
作者: CHENHAIBO1986    時間: 2013-7-4 11:02
育種真得很艱難哦



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