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
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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