Пошаговое объяснение:
1.
1) 17 * 8/51 = 1*8 / 3 = 8/3 = 2 2/3
2) 2 4/9 * 3/11 = 22/9 * 3/11 = 2/3 * 1/1 = 2/3
3) 2 2/3 - 2/3 = 2
2.
S = a * b
S = 3 1/9 * 3/4 = 28/9 * 3/4 = 7/3 * 1/1 = 7/3 =
2 1/3 см²
Пошаговое объяснение:
Пошаговое объяснение:
1.
1) 17 * 8/51 = 1*8 / 3 = 8/3 = 2 2/3
2) 2 4/9 * 3/11 = 22/9 * 3/11 = 2/3 * 1/1 = 2/3
3) 2 2/3 - 2/3 = 2
2.
S = a * b
S = 3 1/9 * 3/4 = 28/9 * 3/4 = 7/3 * 1/1 = 7/3 =
2 1/3 см²