Répondre :
alors: -3x17/ 4x17 x 27x4/17x4 x18/34
-51/68 x 108/68 x 18/34
-5508/68 x 18x2/34x2
-5508/68 x 36/68
= -198288/68
-51/68 x 108/68 x 18/34
-5508/68 x 18x2/34x2
-5508/68 x 36/68
= -198288/68