a-a = a ×c -b× c= a -b× 2=a-a = a ×c -b× c= a -b× 2= 这是五年级的方程问题先答先给悬赏
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![a-a = a ×c -b× c= a -b× 2=a-a = a ×c -b× c= a -b× 2= 这是五年级的方程问题先答先给悬赏](/uploads/image/z/10198398-30-8.jpg?t=a-a+%3D+a+%C3%97c+-b%C3%97+c%3D+a+-b%C3%97+2%3Da-a+%3D++++++++++a+%C3%97c+-b%C3%97+c%3D+++++++++a+-b%C3%97+2%3D+++++++++++%E8%BF%99%E6%98%AF%E4%BA%94%E5%B9%B4%E7%BA%A7%E7%9A%84%E6%96%B9%E7%A8%8B%E9%97%AE%E9%A2%98%E5%85%88%E7%AD%94%E5%85%88%E7%BB%99%E6%82%AC%E8%B5%8F)
a-a = a ×c -b× c= a -b× 2=a-a = a ×c -b× c= a -b× 2= 这是五年级的方程问题先答先给悬赏
a-a = a ×c -b× c= a -b× 2=
a-a = a ×c -b× c= a -b× 2= 这是五年级的方程问题先答先给悬赏
a-a = a ×c -b× c= a -b× 2=a-a = a ×c -b× c= a -b× 2= 这是五年级的方程问题先答先给悬赏
0,c(a-b),a-2b