Question

Ex 26 urgent dau coroana va roggg!!!! Rapid !!!!!!!

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

$\it a)\ \ \ =-135:5+4\cdot2=-27+8=-19\\ \\ \\ b)\ \ =-\dfrac{^{5)}7}{\ 9}+\dfrac{^{9)}2}{5}-\dfrac{^{3)}1}{15}-\dfrac{2}{45}=\dfrac{-35+18-3-2}{45}=\dfrac{18-40}{45}=-\dfrac{22}{45}$