[latex](1frac{1}{4}-0,25cdot 4+6frac{1}{2}):3=[/latex] [latex]=(1frac{1}{4}- 1+6frac{1}{2}):3=(frac{1}{4}+6frac{2}{4})cdot frac{1}{3}=[/latex] [latex]=6frac{3}{4}cdot frac{1}{3}=frac{27}{4}cdot frac{1}{3}=frac{9}{4}=2frac{1}{4}[/latex] b) [latex]sqrt{(frac{2}{5})^2} -(1frac{2}{10}cdot frac{5}{12}-frac{8}{10}cdot frac{1}{23})=[/latex] [latex]=frac{2}{5}-(frac{12}{10}cdot frac{5}{12}-frac{4}{5}cdot frac{1}{23})=[/latex] [latex]=frac{2}{5}-(frac{1}{2}-frac{4}{115})=frac{2}{5}-(frac{115}{230}-frac{8}{230})=[/latex] [latex]=frac{2}{5}-frac{107}{230}=frac{92}{230}-frac{107}{230}=-frac{15}{230}=-frac{3}{46}[/latex]
Pilne na na już!!! daje 15 pkt! Oblicz: a)(1 1/4(jedna cała jedna czwarta) - 0,25 * 4+ 6 1/2):3= b)(pierwiastek z (2/5)^2-(1,2* 5/12-0,8* 1/23)= PROSZĘ O NATYCHMIASTOWĄ POMOC! DAJE NAJ...
