已知x=y+3,求代数式3(x-y)²-½(x-y)+¾(x-y)-2(x-y)²+3/2(x-y)+5的值 求过程
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![已知x=y+3,求代数式3(x-y)²-½(x-y)+¾(x-y)-2(x-y)²+3/2(x-y)+5的值 求过程](/uploads/image/z/6858005-5-5.jpg?t=%E5%B7%B2%E7%9F%A5x%3Dy%2B3%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F3%28x-y%29%26%23178%3B-%26%23189%3B%28x-y%29%2B%26%23190%3B%28x-y%29-2%28x-y%29%26%23178%3B%2B3%2F2%28x-y%29%2B5%E7%9A%84%E5%80%BC+%E6%B1%82%E8%BF%87%E7%A8%8B)
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已知x=y+3,求代数式3(x-y)²-½(x-y)+¾(x-y)-2(x-y)²+3/2(x-y)+5的值 求过程
已知x=y+3,求代数式3(x-y)²-½(x-y)+¾(x-y)-2(x-y)²+3/2(x-y)+5的值
求过程
已知x=y+3,求代数式3(x-y)²-½(x-y)+¾(x-y)-2(x-y)²+3/2(x-y)+5的值 求过程