x+y=1/2求(x+y)的三次方×(2x+2y)的三次方×(3x+3y)的三次方的值
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![x+y=1/2求(x+y)的三次方×(2x+2y)的三次方×(3x+3y)的三次方的值](/uploads/image/z/1611693-45-3.jpg?t=x%2By%3D1%2F2%E6%B1%82%EF%BC%88x%2By%EF%BC%89%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%C3%97%EF%BC%882x%2B2y%EF%BC%89%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%C3%97%EF%BC%883x%2B3y%EF%BC%89%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%E7%9A%84%E5%80%BC)
x+y=1/2求(x+y)的三次方×(2x+2y)的三次方×(3x+3y)的三次方的值
x+y=1/2求(x+y)的三次方×(2x+2y)的三次方×(3x+3y)的三次方的值
x+y=1/2求(x+y)的三次方×(2x+2y)的三次方×(3x+3y)的三次方的值
原式=(x+y)³×[2(x+y)]³×[3(x+y)]³
=(1/2)³×1³×(3/2)³
=1/8×27/8
=27/64