Объяснение:
244
1) = 8a - 3b + 5a = 13a - 3b
2) = 5x - 2x + 3y = 3x + 3y
3) = 6a - 2b - 5a - 3b = a - 5b
4) = 4x + 2 - x - 1 = 3x + 1
245
1) = 2 3/5 b - 3/4 b^2 + 1/4 b^2 - 1 3/5 b = b - 1/2 b^2
2) = 0.1c - 0.4c^2 - 0.1c + 0.5c^2 = 0.1c^2
3) = 13x - 11y + 10z + 15x - 10y + 15z = 28x - 21y + 25z
4) = 17a + 12b - 14c - 11a + 10b + 14c = 6a + 22b
Объяснение:
244
1) = 8a - 3b + 5a = 13a - 3b
2) = 5x - 2x + 3y = 3x + 3y
3) = 6a - 2b - 5a - 3b = a - 5b
4) = 4x + 2 - x - 1 = 3x + 1
245
1) = 2 3/5 b - 3/4 b^2 + 1/4 b^2 - 1 3/5 b = b - 1/2 b^2
2) = 0.1c - 0.4c^2 - 0.1c + 0.5c^2 = 0.1c^2
3) = 13x - 11y + 10z + 15x - 10y + 15z = 28x - 21y + 25z
4) = 17a + 12b - 14c - 11a + 10b + 14c = 6a + 22b