<prompt> Imepewa mathbfa anzapmatrix 2 1 0 mwishopmatrix, mathbfb anzapmatrix 0 0 1 mwishopmatrix , na mathbfc anzapmatrix 1 -2 -3 mwishopmatrix, computemathbfa nyakati mathbfb nyakati mathbfc - mathbfa nyakati mathbfb nyakati mathbfc.  <response>: Tuna hiyoanzaalignmathbfa nyakati mathbfb nyakati mathbfc kushoto anzapmatrix 2 1 0 mwishopmatrix nyakati kuanzapmatrix 0 0 1 mwishopmatrix kulia nyakati anzapmatrix 1 -2 -3 mwishopmatrix anzapmatrix 1 -2 0 mwishopmatrix nyakati anzapmatrix 1 -2 -3 mwishopmatrix anzapmatrix 6 3 0 mwishopmatrixmwishoalignnaanzaalignmathbfa nyakati mathbfb nyakati mathbfc anzapmatrix 2 1 0 mwishopmatrix nyakati kushoto anzapmmatrix 0 0 1 mwishopmatrix nyakati anzapmatrix 1 -2 -3 mwishopmatrix kulia anzapmatrix 2 1 0 mwishopmatrix nyakati anzapmatrix 2 1 0 mwishopmatrix anzapmatrix 0 0 0 mwishopmatrix.mwishoalignKwa hiyo,mathbfa nyakati mathbfb nyakati mathbfc - mathbfa nyakati mathbfb nyakati mathbfc anzapmatrix 6 3 0 mwishopmatrix.Jambo kuu la zoezi hili ni kuonyesha kwamba kwa ujumla,mathbfa nyakati mathbfb nyakati mathbfc neq mathbfa nyakati mathbfb nyakati mathbfc.Katika maneno mengine, bidhaa msalaba si associative. 