Odpowiedź:
Zadanie 6
[tex]a)1 \frac{2}{5} + 1 \frac{1}{5} = 2 \frac{3}{5} [/tex]
[tex]4 \frac{2}{7} + 3 \frac{3}{7} = 7 \frac{5}{7} [/tex]
[tex]b)2 \frac{4}{5} + 5 = 7 \frac{4}{5} [/tex]
[tex]2 + 4 \frac{1}{4} = 6 \frac{1}{4} [/tex]
[tex]c)3 \frac{1}{3} + \frac{2}{3} = 3 \frac{3}{3} = 4[/tex]
[tex]5 \frac{3}{8} + 1 \frac{5}{8} = 6 \frac{8}{8} = 7[/tex]
Zadanie 7
[tex]3 \frac{2}{5} + \frac{3}{5} = 4[/tex]
[tex]2 \frac{5}{7} + 5 \frac{2}{7} = 8[/tex]
[tex]6 \frac{2}{9} + 2 \frac{5}{9} + 1 \frac{2}{9} = 10[/tex]
Pozdrawiam.
