Działania na ułamkach
: 4 paź 2007, o 14:33
Proszę o pomoc w rozwiązaniu takiego zadania:
Wykonaj obliczenia:
a) (6\(\displaystyle{ \frac{3}{5}}\) - 3\(\displaystyle{ \frac{3}{14}}\)) * 5\(\displaystyle{ frac{5}{6} : (21- \(\displaystyle{ \frac{1}{4}}\) : 2\(\displaystyle{ \frac{1}{2}}\).
b) (85\(\displaystyle{ \frac{7}{30}}\) - 83\(\displaystyle{ \frac{5}{18}}\)) : 2\(\displaystyle{ \frac{2}{3}}\).
c) (5 \(\displaystyle{ \frac{7}{24}}\) - 3\(\displaystyle{ \frac{1}{6}}\)) : (1\(\displaystyle{ \frac{2}{15}}\) - 2 \(\displaystyle{ \frac{4}{5}}\)) : 1\(\displaystyle{ \frac{11}{40}}\)
d) (7\(\displaystyle{ \frac{2}{3}}\) - 6\(\displaystyle{ \frac{8}{15}}\) * \(\displaystyle{ \frac{5}{14}}\)) : (8\(\displaystyle{ \frac{3}{4}}\) * \(\displaystyle{ \frac{2}{7}}\) - 1\(\displaystyle{ \frac{1}{6}}\)) : (2\(\displaystyle{ \frac{1}{3}}\) - 1\(\displaystyle{ \frac{1}{9}}\)) * \(\displaystyle{ \frac{9}{11}}\).
e) 4\(\displaystyle{ \frac{2}{7}}\) : 1\(\displaystyle{ \frac{1}{14}}\) - 3\(\displaystyle{ \frac{2}{5}}\) * 1\(\displaystyle{ \frac{1}{4}}\) : (16\(\displaystyle{ \frac{2}{17}}\) - 14\(\displaystyle{ \frac{1}{34}}\)) * \(\displaystyle{ \frac{1}{71}}\)
f) 14\(\displaystyle{ \frac{2}{39}}\) - 1\(\displaystyle{ frac{1}{13} - 10\(\displaystyle{ \frac{25}{39}}\) : 4\(\displaystyle{ \frac{2}{3}}\) : 7 + 1\(\displaystyle{ \frac{1}{6}}\) * (-\(\displaystyle{ \frac{2}{7}}\)).}\)}\)
Wykonaj obliczenia:
a) (6\(\displaystyle{ \frac{3}{5}}\) - 3\(\displaystyle{ \frac{3}{14}}\)) * 5\(\displaystyle{ frac{5}{6} : (21- \(\displaystyle{ \frac{1}{4}}\) : 2\(\displaystyle{ \frac{1}{2}}\).
b) (85\(\displaystyle{ \frac{7}{30}}\) - 83\(\displaystyle{ \frac{5}{18}}\)) : 2\(\displaystyle{ \frac{2}{3}}\).
c) (5 \(\displaystyle{ \frac{7}{24}}\) - 3\(\displaystyle{ \frac{1}{6}}\)) : (1\(\displaystyle{ \frac{2}{15}}\) - 2 \(\displaystyle{ \frac{4}{5}}\)) : 1\(\displaystyle{ \frac{11}{40}}\)
d) (7\(\displaystyle{ \frac{2}{3}}\) - 6\(\displaystyle{ \frac{8}{15}}\) * \(\displaystyle{ \frac{5}{14}}\)) : (8\(\displaystyle{ \frac{3}{4}}\) * \(\displaystyle{ \frac{2}{7}}\) - 1\(\displaystyle{ \frac{1}{6}}\)) : (2\(\displaystyle{ \frac{1}{3}}\) - 1\(\displaystyle{ \frac{1}{9}}\)) * \(\displaystyle{ \frac{9}{11}}\).
e) 4\(\displaystyle{ \frac{2}{7}}\) : 1\(\displaystyle{ \frac{1}{14}}\) - 3\(\displaystyle{ \frac{2}{5}}\) * 1\(\displaystyle{ \frac{1}{4}}\) : (16\(\displaystyle{ \frac{2}{17}}\) - 14\(\displaystyle{ \frac{1}{34}}\)) * \(\displaystyle{ \frac{1}{71}}\)
f) 14\(\displaystyle{ \frac{2}{39}}\) - 1\(\displaystyle{ frac{1}{13} - 10\(\displaystyle{ \frac{25}{39}}\) : 4\(\displaystyle{ \frac{2}{3}}\) : 7 + 1\(\displaystyle{ \frac{1}{6}}\) * (-\(\displaystyle{ \frac{2}{7}}\)).}\)}\)