Question

Oblicz wartość wyrażenia
a)-5*30:(-6)
b)2 1/4:(-0,5):(-3 3/8)
c)-3 1/5*(-1 1/3)*(-15)​

Answer 1

a) [tex]-5 * 30 : (-6) = -150 : (-6) = 25[/tex]

b) [tex]2\frac{1}{4} : (-0,5) : (-3\frac{3}{8} ) = \frac{9}{4} : \frac{-1}{2} : \frac{-27}{8} = \frac{9}{4} * \frac{-2}{1} : \frac{-27}{8} = \frac{-18}{4} * \frac{-8}{27} = \frac{144}{108} = \frac{4}{3} = 1\frac{1}{3}[/tex]

c) [tex]-3\frac{1}{5} * (-1\frac{1}{3} ) * (-15) = \frac{-16}{5} * \frac{-4}{3} * (-16) = \frac{64}{15} * (-16) = \frac{-1024}{15} = -68\frac{4}{15}[/tex]