Zad. 4 str 81 2/3:1= 1/2:2/3= 3/2:2/3= 12/3= 3/22/3= 1/2*2/3= 2:2/3= 5/3:2/3= 1/6:2/3=
źródło: ćwiczenia zadanie 4 strona 81
2/3:1= =\frac{2}{3} 1/2:2/3= =\frac{1}{2}*\frac{3}{2}=\frac{3}{4} 3/2:2/3= =\frac{3}{2}*\frac{3}{2}=\frac{9}{4}=2\frac{1}{4} 12/3= =\frac{2}{3} 3/22/3= \frac{3}{2}*\frac{2}{3}=1 1/2*2/3= \frac{1}{2}*\frac{2}{3}=\frac{1}{3} 2:2/3= 2:\frac{2}{3}=2*\frac{3}{2}=3 5/3:2/3= \frac{5}{3}:\frac{2}{3}=\frac{5}{3}*\frac{3}{2}=\frac{5}{2}=2\frac{1}{2} 1/6:2/3= \frac{1}{6}:\frac{2}{3}=\frac{1}{6}*\frac{3}{2}=\frac{1}{4}