раскройте скобки:a) (83 а + 24b-62c) * 22b) (5c+8+9d) * 6+3 * (4c-2-d) c) (340x+5600y-50) : 10

a) (83a + 24b - 62c) • 22;

83a • 22 + 24b • 22 - 62c • 22;

1826a + 24b • 22 - 62c • 22;

1826a + 528b - 62c • 22;

1862a + 528b - 1364c.

b) (5c + 8 + 9d) • 6 + 3 • (4c - 2 - d);

3 ((5c + 8 + 9d) • 2 + 4c - 2 - d;

3 • (10c + 16 + 18d + 4c - 2 - d);

3 • (14c + 14 + 18d - 2 - d);

3 • (14c + 14 + 18d - d);

3 • (14c + 14 + 17d).

c) (340x + 5600y - 50) : 10;

(290 + 5600y) : 10;

290 + 5600y / 10;

10 • (29 + 560y) / 10;

29 + 560y.