емые с одинаковой буке жить их коэффициенты и результат 1) a+3h-5h-6a-a-6a+ +3h+5h-5a+8h 2) 3s-8d- 12s + 5d = 3) -f-11y - 3y+7f= 4) 3q-5n-11q+2+8n= 5) -4+7c-12-9c = 6) -2z+5s-3s +2z - 2s = 7) -36n-8u + 12n + 9u = 8) a-b-a-b-a-b= 9) 2x-5y+z - 4x + 3z - y = 10) 6v - 9m - 13v + 5 - 2v = 11) -3+15r-19-20r= 12) 19n - 51n + 12n-33 = 13) 90s - 64s + 45+ 36 = 14) 27v + 60y – 15y – 90v = 15) 20h+k-20k-h-h=

Выполним упрощение выражений: 1) $$a+3h-5h-6a-a-6a+3h+5h-5a+8h = (a - 6a - a - 6a - 5a) + (3h - 5h + 3h + 5h + 8h) = -12a + 14h$$ 2) $$3s - 8d - 12s + 5d = (3s - 12s) + (-8d + 5d) = -9s - 3d$$ 3) $$-f - 11y - 3y + 7f = (-f + 7f) + (-11y - 3y) = 6f - 14y$$ 4) $$3q - 5n - 11q + 2 + 8n = (3q - 11q) + (-5n + 8n) + 2 = -8q + 3n + 2$$ 5) $$-4 + 7c - 12 - 9c = (7c - 9c) + (-4 - 12) = -2c - 16$$ 6) $$-2z + 5s - 3s + 2z - 2s = (-2z + 2z) + (5s - 3s - 2s) = 0$$ 7) $$-36n - 8u + 12n + 9u = (-36n + 12n) + (-8u + 9u) = -24n + u$$ 8) $$a - b - a - b - a - b = (a - a - a) + (-b - b - b) = -a - 3b$$ 9) $$2x - 5y + z - 4x + 3z - y = (2x - 4x) + (-5y - y) + (z + 3z) = -2x - 6y + 4z$$ 10) $$6v - 9m - 13v + 5 - 2v = (6v - 13v - 2v) - 9m + 5 = -9v - 9m + 5$$ 11) $$-3 + 15r - 19 - 20r = (15r - 20r) + (-3 - 19) = -5r - 22$$ 12) $$19n - 51n + 12n - 33 = (19n - 51n + 12n) - 33 = -20n - 33$$ 13) $$90s - 64s + 45 + 36 = (90s - 64s) + (45 + 36) = 26s + 81$$ 14) $$27v + 60y - 15y - 90v = (27v - 90v) + (60y - 15y) = -63v + 45y$$ 15) $$20h + k - 20k - h - h = (20h - h - h) + (k - 20k) = 18h - 19k$$