and it is odd . Five n * 1 squares have been put together to make a cross . For this problem n = O ( mod 3 ) 17. LL 72 Can this board be tiled with

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and it is odd .Five n * 1 squares have been put together to make a cross . For this problem n = O ( mod 3 )17.LL72Can this board be tiled with right frominges ? For this problem . you may use any fact froour course notes and the fact that : an m X m board missing all its corners can be tiled wiright frominges , for m 2 1 , 1 = 1 . 2 ( mod 3 ).