Odpowiedź :
Odpowiedź:
1/4 + 3/8 = 2/8 + 3/8 = 5/8
1/3 + 5/12 = 4/12 + 5/12 = 9/12
1/2 + 1/4 = 4/8 + 2/8 + 1/8 = 7/8
1/3 + 1/2 = 2/6 + 3/6 = 5/6
1/4 + 1/3 = 3/12 + 4/12 = 7/12
Odpowiedź:
[tex]\frac{1}{4}+\frac{3}{8}=\frac{2}{8}+\frac{3}{8}=\frac{5}{8}\\\\\frac{1}{3}+\frac{5}{12}=\frac{4}{12}+\frac{5}{12}=\frac{9}{12}\\\\\frac{1}{2}+\frac{1}{4}+\frac{1}{8}=\frac{4}{8}+\frac{2}{8}+\frac{1}{8}=\frac{7}{8}\\\\\frac{1}{3}+\frac{1}{2}=\frac{2}{6}+\frac{3}{6}=\frac{5}{6}\\\\\frac{1}{4}+\frac{1}{3}=\frac{3}{12}+\frac{4}{12}=\frac{7}{12} [/tex]