高一数理报,求求哪个大师教教我!对x,y∈R定义新运算:x×y=ax+by+cxy,其中为a,b,c常数,等式右端是通常的加法和乘法运算,若1×2=3,2×3=4,且有一个非零常数d,使对任意x∈R,恒有x×d=x,则d=?
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![高一数理报,求求哪个大师教教我!对x,y∈R定义新运算:x×y=ax+by+cxy,其中为a,b,c常数,等式右端是通常的加法和乘法运算,若1×2=3,2×3=4,且有一个非零常数d,使对任意x∈R,恒有x×d=x,则d=?](/uploads/image/z/5397611-59-1.jpg?t=%E9%AB%98%E4%B8%80%E6%95%B0%E7%90%86%E6%8A%A5%2C%E6%B1%82%E6%B1%82%E5%93%AA%E4%B8%AA%E5%A4%A7%E5%B8%88%E6%95%99%E6%95%99%E6%88%91%21%E5%AF%B9x%2Cy%E2%88%88R%E5%AE%9A%E4%B9%89%E6%96%B0%E8%BF%90%E7%AE%97%EF%BC%9Ax%C3%97y%3Dax%2Bby%2Bcxy%2C%E5%85%B6%E4%B8%AD%E4%B8%BAa%2Cb%2Cc%E5%B8%B8%E6%95%B0%2C%E7%AD%89%E5%BC%8F%E5%8F%B3%E7%AB%AF%E6%98%AF%E9%80%9A%E5%B8%B8%E7%9A%84%E5%8A%A0%E6%B3%95%E5%92%8C%E4%B9%98%E6%B3%95%E8%BF%90%E7%AE%97%2C%E8%8B%A51%C3%972%3D3%2C2%C3%973%3D4%2C%E4%B8%94%E6%9C%89%E4%B8%80%E4%B8%AA%E9%9D%9E%E9%9B%B6%E5%B8%B8%E6%95%B0d%2C%E4%BD%BF%E5%AF%B9%E4%BB%BB%E6%84%8Fx%E2%88%88R%2C%E6%81%92%E6%9C%89x%C3%97d%3Dx%2C%E5%88%99d%3D%3F)
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