Respuesta :

oberjarlpotter
9 groups of 2 (9 x 2)
2 groups of 9 (2x9)
3 groups of 6
6 groups of 3
1 group of 18
and 18 groups of 1
SilverSWolfe
1) One group of 18 2) two groups of 9 3) three groups of 6 4) six groups of 3 5) nine groups of 2 6) eighteen groups of 1

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