x(y*5) = xy * 5x = 12 *5x = 12/5=2.4
(х•2) •у = xy * 2y = 12 * 2y = 12/2=6
у•(х•10) = xy* 10y = 12*10y=10/12=1.2
(у•2) •(х•3) = yx * 3y * 2x * 6 = 12 * 6xy * 6 = 12 * 6 *6 * 12 =5184
Пошаговое объяснение:
x(y*5) = xy * 5x = 12 *5x = 12/5=2.4
(х•2) •у = xy * 2y = 12 * 2y = 12/2=6
у•(х•10) = xy* 10y = 12*10y=10/12=1.2
(у•2) •(х•3) = yx * 3y * 2x * 6 = 12 * 6xy * 6 = 12 * 6 *6 * 12 =5184
Пошаговое объяснение: