Question

Proszę o pomoc
Zadania w załączniku​

Answer 1

10. A.1-1-1 = -1

B. 1+1 +2 = 4

A. (½)^2 = ¼  

B. 2/(½) = 4

C. -(x-y) = -½

D. (-½)^2 = ¼