将2+5合并同类项得( ) A.-3x-y B.-2(x+y) C.-x+y D.-2——青夏教育精英家教网——

摘要：将2+5合并同类项得( ) A.-3x-y B.-2(x+y) C.-x+y D.-2

网址：http://m.1010jiajiao.com/timu_id_2034392[举报]

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得( )

D．-2(x+y)-(x-y)

查看习题详情和答案>>

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得( )

A.-3x-y B.-2(x+y) C.-x+y D.-2(x+y)-(x-y)

查看习题详情和答案>>

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得( )

D．-2(x+y)-(x-y)

查看习题详情和答案>>

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得( )

A.-3x-y B.-2(x+y) C.-x+y D.-2(x+y)-(x-y)

查看习题详情和答案>>

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得( )

D．-2(x+y)-(x-y)

查看习题详情和答案>>