Y有一些鸡、黄鸡比黑鸡多12只、白鸡比黄鸡多12只、白鸡的只数正好是黑鸡的2倍.问白鸡黄鸡黑鸡各多少只?
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![Y有一些鸡、黄鸡比黑鸡多12只、白鸡比黄鸡多12只、白鸡的只数正好是黑鸡的2倍.问白鸡黄鸡黑鸡各多少只?](/uploads/image/z/14655712-40-2.jpg?t=Y%E6%9C%89%E4%B8%80%E4%BA%9B%E9%B8%A1%E3%80%81%E9%BB%84%E9%B8%A1%E6%AF%94%E9%BB%91%E9%B8%A1%E5%A4%9A12%E5%8F%AA%E3%80%81%E7%99%BD%E9%B8%A1%E6%AF%94%E9%BB%84%E9%B8%A1%E5%A4%9A12%E5%8F%AA%E3%80%81%E7%99%BD%E9%B8%A1%E7%9A%84%E5%8F%AA%E6%95%B0%E6%AD%A3%E5%A5%BD%E6%98%AF%E9%BB%91%E9%B8%A1%E7%9A%842%E5%80%8D.%E9%97%AE%E7%99%BD%E9%B8%A1%E9%BB%84%E9%B8%A1%E9%BB%91%E9%B8%A1%E5%90%84%E5%A4%9A%E5%B0%91%E5%8F%AA%3F)
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