Herleid:
2(-6t) =
3a(-5) =
7b(-3x) =
10c(-4ab) =
9(-4d) =
(-5a)(-2b) =
4.5(-d) =
a.3d.6x.(-4t) =
a(-2d)(-2x) =
7a.(-3b).0.f =
(-9a)(-10b)(-c) =
(-23ab)(-5cd) =