Упрости выражения a+2a+3a, 4s+s+3r+s, 3x+2y+x+5y, 5q+p+2p+6q, 10a+2c+a+3c, 2a+5a+4b+2b, 7f+g+3g+3f, 10p+4q+q+2q, 6p+2f+5p+4f.

Упростим выражения:

a + 2 * a + 3 * a = a * (1 + 2 + 3) = a * 6 = 6 * a; 4 * s + s + 3 * s + s = 5 * s + 4 * s = 9 * s; 3 * x + 2 * y + x + 5 * y = 4 * x + 7 * y; 5 * q + p + 2 * p + 6 * q = 11 * q + 3 * p; 10 * a + 2 * c + a + 3 * c = 11 * a + 5 * c; 2 * a + 5 * a + 4 * b + 2 * b = 7 * a + 6 * b; 7 * f + g + 3 * g + 3 * f = 10 * f + 4 * g; 10 * p + 4 * q + q + 2 * q = 10 * p + 7 * q; 6 * p + 2 * f + 5 * p + 4 * f = 11 * p + 6 * f.