Zadanie 64 ciąg dalszy
f)
{(-5\frac{1}{7}-\frac{9}{14}):(-1+\frac{17}{35})=(-\frac{36}{7}-\frac{9}{14}):(-\frac{35}{35}+\frac{17}{35})=(-\frac{72}{14}-\frac{9}{14}:(-\frac{18}{35})=(-\frac{\not81^9}{14})\cdot (-\frac{35}{\not18^2})=\frac{9}{14}\cdot \frac{35}{2}=\frac{315}{28}=\frac{45}{4}=11\frac{1}{4}=11,25}
g)
{(1\frac{1}{6}-5\frac{3}{4})\cdot (-12):1,1=(\frac{7}{6}-\frac{23}{4})\cdot \frac{-12}{1,1}=(\frac{14}{12}-\frac{69}{12})\cdot \frac{-120}{11}=(-\frac{\not55^5}{\not12^1})\cdot (-\frac{\not120^{10}}{\not11^1})=(-5)\cdot (-10)=50}
h)
(-\frac{2}{3})^2\cdot (-12,3+3,3)^2=\frac{4}{9}\cdot (-9)^2=\frac{4}{\not9^1}\cdot \not81^9=36
i)
{(-0,3)^3:(-1+\frac{2}{5})^2=(-\frac{3}{10})^3:(-\frac{10}{10}+\frac{4}{10})^2=(-\frac{27}{1000}):(-\frac{6}{10})^2=(-\frac{27}{1000}):\frac{36}{100}=-\frac{\not27^3}{\not1000^{10}}\cdot \frac{\not100^1}{\not36^4}=-\frac{27}{10}=-2,7}
j)
{(2,5-2\frac{1}{3})^2-(-\frac{1}{3})^3:\frac{2}{3}=(\frac{25}{10}-\frac{7}{3})^2-(-\frac{1}{\not27^9})\cdot \frac{\not3^1}{2}=(\frac{75}{30}-\frac{70}{30})^2+\frac{1}{18}=(\frac{5}{30})^2+\frac{1}{18}=(\frac{1}{6})^2+\frac{1}{18}=\frac{1}{36}+\frac{2}{36}=\frac{3}{36}=\frac{1}{12}}