(a + 1).b = | (x + 2).y = |
(3 + a).2 = | (x - 6).z = |
(5 + 3b).(- 2) = | (- x - 5).y = |
(- 8) .(b - 2) = | (- a - b).(- x) = |
(c + 2d).4xy = | (c - 6).(- 8) = |
(- 3).(a + 5) = | (a - 9b).(- 4x) = |
(10c - 2).3 = | (z - 16).a= |
(- y) .(- b - 1) = | 2a.(x - 8) = |
(7c - 1).a = | (z - 5).e= |
(- d) .(b - c) = | 2a.(4 + d) = |