pole trapezu 27cm + 19cm x 18 cm = 3,5m +1,7m x 2,2 = 38cm + 25cm x 17cm = 34dm + 9m x 46dm = 4dm + 45cm x 1dm x 3,4dm = 1,7dm + 2,6dm x 1,9dm = powodzenia zadanie potrzebne na dziśiaj

27cm + 19cm x 18 cm =46 x 18 = 828cm :2 = 414cm 3,5m +1,7m x 2,2 =5,2 x 2,2=11,44m :2=5,72m 38cm + 25cm x 17cm =63 x 17=1071cm :2=535,5m 34dm + 9m x 46dm =3,4m+9m x 4,6m=12,4 x 4,6=57,04m:2= 28,52m 4dm + 45cm x 1dm x 3,4dm =4dm+4,5dm x 1dm x 3,4dm=8,5dm x 1dm x 3,4dm=28,9dm : 2=14,45dm 1,7dm + 2,6dm x 1,9dm =4,3 x 1,9=8,17dm :2=4,085dm

27cm + 19cm x 18 cm =46cm×18cm=828cm²÷2=414cm² 3,5m +1,7m x 2,2 =5,2m×2,2m=11,44m²÷2=5,72m² 38cm + 25cm x 17cm =63cm×17cm=1071cm²÷2=535,5cm² 34dm + 9m x 46dm =3,4m+9m×4,6m=12,4m×4,6m=57,04m²÷2=28,52m² 4dm + 45cm x 1dm x 3,4dm =? 1,7dm + 2,6dm x 1,9dm =4,3dm×1,9dm=8,17dm²÷2=4.085dm²