Odpowiedzi

2009-11-10T18:43:44+01:00
12m²n⁵ 21mn 7
______ +_______×2m⁵n - ½m= 3m + _____×2m⁵n -½m= 3m+7m²-½m=
4mn⁵ 6m⁴n² 2m³n

=7m²+2½m


3u³v - 3vu × 5u² + (3u²v × 2u -vu³) 3u³v - 15u³v + (6u³v -u³v)
_______________________________ = _______________________ =
4uv 4uv

-12u³v + 5u³v -7u³v
=____________ = _____ = - 1¾u²
4uv 4uv