Question

Va rog ex 2 3 4 repede dau coroana

Answer 1

ex:1
5,7,12,23,1,5,1
+5,+7,-12,-23,+1,-5,+15
ex:2
a)x=|3|,b)x=|27|,c)x=|0|
d)x=|10|,e)x=|x|,f)x=|-x|,g)x>|x|
ex:3
|-8|+|+15|-|-10|=8+15+10=33
|-29|-|-15|+|12|-|10|=29-15+12-10=16
|+15|*|-5|:|25|=15*5:25=2,5
(|-5|)la25:(|+25|)la12=-5la13
|-32|/|-4|-|-8|=32/4-8=0/4
/=supra