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先化简再求值：，其中m是方程的根．
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先化简再求值其中a是方程x2＋3x＋1＝0的根.
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先化简再求值其中x是方程的根.
先化简再求值+1÷其中x是方程x2+3x=0的根.
先化简再求值m+2m﹣2﹣m﹣22+1其中m=2.
先化简再求值其中m是方程的根.
先化简再求值其中a是方程x2－x＝6的根.
先化简再求值其中a是方程x2－x＝6的根.
先化简再求值其中x是方程x2－2x＝0的根.
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先化简再求值其中x是方程的根.
先化简再求值x﹣1÷﹣1其中x为方程x2+3x+2=0的根.
先化简再求值其中x的值是方程x2+x=0的根.
先化简再求值其中m是方程的解.
先化简再求值2m+12m﹣1﹣m﹣12+2m3÷﹣8m其中m是方程x2+x﹣2=0的根
先化简再求值其中是方程的根.
先化简再求值其中a是方程的根.
先化简再求值÷m＋2—其中m是方程x2＋3x＋1=0的根
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先化简再求值其中m是方程x2+3x+1=0的根.
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