х=-2
7 1/6
Пошаговое объяснение:
2 2/3 * 3 1/4 - 2 1/4 * 2/3 = 8/3 * 13/4 - 9/4 * 2/3 =
26/3 - 3/2 = (26*2 - 3*3)/6 = (52 - 9)/6 = 43/6 = 7 1/6
х=-2
7 1/6
Пошаговое объяснение:
2 2/3 * 3 1/4 - 2 1/4 * 2/3 = 8/3 * 13/4 - 9/4 * 2/3 =
26/3 - 3/2 = (26*2 - 3*3)/6 = (52 - 9)/6 = 43/6 = 7 1/6