Пошаговое объяснение:
7x + 2x = 9x
11y - 3y = 8y
9a + 6a = 15a
13c - 3c = 10c
3x * 5 * 10 = (3 * 5 * 10) x = 150x
4 * 2y * 15 = (4 * 2 * 15)y = 120y
70 * 50y * 2 = (70 * 50 * 2)y = 7000y
6a * 300 * 50 = ( 6 * 300 * 50)a = 90000a
Пошаговое объяснение:
7x + 2x = 9x
11y - 3y = 8y
9a + 6a = 15a
13c - 3c = 10c
3x * 5 * 10 = (3 * 5 * 10) x = 150x
4 * 2y * 15 = (4 * 2 * 15)y = 120y
70 * 50y * 2 = (70 * 50 * 2)y = 7000y
6a * 300 * 50 = ( 6 * 300 * 50)a = 90000a