Odpowiedź:
zadanie 1
[tex]2 \frac{2}{5} = 2.4 \\ \frac{9}{25} = 0.36[/tex]
zadanie 2
a)
[tex] \frac{3}{5} = 0.6[/tex]
b)
[tex] \frac{1}{4} = 0.25[/tex]
c)
[tex] \frac{16}{25} = 0.64[/tex]
d)
[tex]5 \frac{4}{25} = 5.16[/tex]
e)
[tex]7 \frac{3}{20} = 7.15[/tex]
f)
[tex]1 \frac{7}{50} = 1.14[/tex]
g)
[tex]8 \frac{3}{8} = 8.375[/tex]
zadanie 3
a)
[tex] \frac{3}{4} = 0.75[/tex]
b)
[tex] \frac{1}{8} = 0.125[/tex]
c)
[tex] \frac{7}{25} = 0.28[/tex]
zadanie 4
a)
[tex]2 \frac{3}{20} = 2.15[/tex]
b)
[tex]1 \frac{1}{8} = 1.125[/tex]
c)
[tex] \frac{8}{25} = 0.32[/tex]
d)
[tex] \frac{1}{50} = 0.02[/tex]
zadanie 5
[tex]4.3 + \frac{1}{4} = 4.3 + 0.25 = 4.55[/tex]
[tex]5.2 - \frac{3}{4} = 5.2 - 0.75 = 4.45[/tex]
[tex] \frac{1}{3} \times 7.2 = \frac{1}{3} \times \frac{36}{5} = \frac{12}{5} = 2 \frac{2}{5} = 2.4[/tex]
[tex]3 \frac{4}{5} \div 0.25 = 3.8 \div 0.25 =15,2 [/tex]
