Question

Liczby mymierne. Oblicz:
-|-|-52|+25|+10

(-|5-6| x |7-8|)2-|-5|

Answer 1

-|-|-52|+25|+10= -|-52+25|+10= -|-27|+10= -27+10= -17

(-|5-6| x |7-8|)2-|-5|= (-|-1|*|-1|)*2-|-5|=(-1*1)*2-5= -1*2-5= -2-5= -7