Раскройте скобки: 8 * (1/4 p + 13/18 y - 1/24 z) 1 3/4 * (4a + 16/21 b - 2 2/3)

1) 8 * (1/4 р + 13/18y - 1/24z) = 8 * 1/4p + 8 * 13/18y - 8 * 1/24z = (8 * 1) / 4p + (8 * 13) / 18y - (8 * 1) / 24z = (4 * 2) / 4p + (2 * 4 * 13) / (2 * 9) y - 8 / (8 * 3) z = 2p + (4 * 13) / 9y - 1/3z = 2p + 52/9y - 1/3z = 2p + 5 (52 - 5 * 9) / 9y - 1/3z = 2p + 6 (52 - 45) / 9y - 1/3z = 2p + 6 7/9y - 1/3z;

2) 1 3/4 * (4a + 16/21b - 2 2/3) = 1 3/4 * 4a + 1 3/4 * 16/21b - 1 3/4 * 2 2/3 = (1 * 4 + 3) / 4 * 4a + (1 * 4 + 3) / 4 * 16/21b - (1 * 4 + 3) / 4 * (2 * 3 + 2) / 3 = 7/4 * 4a + 7/4 * 16/21b - 7/4 * 8/3 = 7a + (7 * 4 * 4) / (4 * 7 * 3) b - (7 * 4 * 2) / (4 * 3) = 7a + 4/3b - 14/3 = 7a + 1 1/3b - 4 2/3.