Cevap :
[tex] \frac{4}{5} - \frac{2}{5} = \frac{2}{5} [/tex]
2/5'i 20 ise
[tex]x \times \frac{2}{5} = 20 \\ \\ x = 20 \div 2 \times 5 = 50[/tex]
y
[tex] \frac{4}{5} - \frac{2}{5} = \frac{2}{5} [/tex]
2/5'i 20 ise
[tex]x \times \frac{2}{5} = 20 \\ \\ x = 20 \div 2 \times 5 = 50[/tex]
y