下列等式成立的是( )A.-a²-3a+2=-(a²-3a+2)B.x-2y+a-b=x+(2y+a-b)C.a-2b+3c-4d=(a-2b)-(3c+4d)D.x-(a+b-m)=(x-a)-(b-m)
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![下列等式成立的是( )A.-a²-3a+2=-(a²-3a+2)B.x-2y+a-b=x+(2y+a-b)C.a-2b+3c-4d=(a-2b)-(3c+4d)D.x-(a+b-m)=(x-a)-(b-m)](/uploads/image/z/14903392-40-2.jpg?t=%E4%B8%8B%E5%88%97%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B%E7%9A%84%E6%98%AF%28+%29A%EF%BC%8E%EF%BC%8Da%26%23178%3B%EF%BC%8D3a%EF%BC%8B2%EF%BC%9D%EF%BC%8D%28a%26%23178%3B%EF%BC%8D3a%EF%BC%8B2%29B%EF%BC%8Ex%EF%BC%8D2y%EF%BC%8Ba%EF%BC%8Db%EF%BC%9Dx%EF%BC%8B%282y%EF%BC%8Ba%EF%BC%8Db%29C%EF%BC%8Ea%EF%BC%8D2b%EF%BC%8B3c%EF%BC%8D4d%EF%BC%9D%28a%EF%BC%8D2b%29%EF%BC%8D%283c%EF%BC%8B4d%29D%EF%BC%8Ex%EF%BC%8D%28a%EF%BC%8Bb%EF%BC%8Dm%29%EF%BC%9D%28x%EF%BC%8Da%29%EF%BC%8D%28b%EF%BC%8Dm%29)
下列等式成立的是( )A.-a²-3a+2=-(a²-3a+2)B.x-2y+a-b=x+(2y+a-b)C.a-2b+3c-4d=(a-2b)-(3c+4d)D.x-(a+b-m)=(x-a)-(b-m)
下列等式成立的是( )
A.-a²-3a+2=-(a²-3a+2)
B.x-2y+a-b=x+(2y+a-b)
C.a-2b+3c-4d=(a-2b)-(3c+4d)
D.x-(a+b-m)=(x-a)-(b-m)
下列等式成立的是( )A.-a²-3a+2=-(a²-3a+2)B.x-2y+a-b=x+(2y+a-b)C.a-2b+3c-4d=(a-2b)-(3c+4d)D.x-(a+b-m)=(x-a)-(b-m)
D.x-(a+b-m)=(x-a)-(b-m)
D.x-(a+b-m)=(x-a)-(b-m)