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A+B={:[(4,-2,2),(6,8,10),(2,-4,12)]:},A-...

`A+B={:[(4,-2,2),(6,8,10),(2,-4,12)]:},A-B={:[(2,-4,-2),(6,-8,-8),(-2,4,-6)]:}`. Find A,B.

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`A={:[(3,-3,0),(6,0,1),(0,0,3)]:},B={:[(1,1,2),(0,8,9),(2,-4,9)]:}`
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