j)
-(+9)-|20-12|:(|-7+10|-|-1|)
-(-5)-|3-8|:(|-3|-|-8|)=
=-(-5)-|-5|:(3-8)=
=+5-5:(-5)=
=5+1=6
k)
[(-3⁴)•(-3⁴)•(-3)^30+(-3)^38+(-7)¹²⁴:(-7^55)+(7³)²³-4•8]•45^0=
=[(-3⁴)•(+3)⁴•(3^30)+(+3)^38+(+7)¹²⁴:(-7)^55+(7^69)-32]•1=
=[(-3^38)+(+3)^38+(-7)^69+7^69-32]•1=
=(0+0-32)•1=-32
