Porszę o pomoc ;/
Pierwsza kartka, zaznaczone zadania:
a)
c)
42.
a) -2
b) -3
c)-243
d) -512
44.
a) 3
b) 5
c) 3
d) 7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Pierwsza kartka, zaznaczone zadania:
a)![2\sqrt[3]{-1}-\sqrt[3]{-27}=2*(-1)-(-3)=-2+3=1 2\sqrt[3]{-1}-\sqrt[3]{-27}=2*(-1)-(-3)=-2+3=1](https://tex.z-dn.net/?f=2%5Csqrt%5B3%5D%7B-1%7D-%5Csqrt%5B3%5D%7B-27%7D%3D2%2A%28-1%29-%28-3%29%3D-2%2B3%3D1)
c)![\sqrt[3]{\frac{-8}{125}}-\sqrt[3]{-2\frac{10}{27}}=(-\frac{2}{5})-\sqrt[3]{\frac{-64}{27}}=(-\frac{2}{5})-(-\frac{8}{3})=(-\frac{6}{15})+\frac{40}{15}=\\ =\frac{34}{15}\\=2\frac{4}{15} \sqrt[3]{\frac{-8}{125}}-\sqrt[3]{-2\frac{10}{27}}=(-\frac{2}{5})-\sqrt[3]{\frac{-64}{27}}=(-\frac{2}{5})-(-\frac{8}{3})=(-\frac{6}{15})+\frac{40}{15}=\\ =\frac{34}{15}\\=2\frac{4}{15}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B%5Cfrac%7B-8%7D%7B125%7D%7D-%5Csqrt%5B3%5D%7B-2%5Cfrac%7B10%7D%7B27%7D%7D%3D%28-%5Cfrac%7B2%7D%7B5%7D%29-%5Csqrt%5B3%5D%7B%5Cfrac%7B-64%7D%7B27%7D%7D%3D%28-%5Cfrac%7B2%7D%7B5%7D%29-%28-%5Cfrac%7B8%7D%7B3%7D%29%3D%28-%5Cfrac%7B6%7D%7B15%7D%29%2B%5Cfrac%7B40%7D%7B15%7D%3D%5C%5C+%3D%5Cfrac%7B34%7D%7B15%7D%5C%5C%3D2%5Cfrac%7B4%7D%7B15%7D)
42.
a) -2
b) -3
c)-243
d) -512
44.
a) 3
b) 5
c) 3
d) 7