Ma puteti ajuta Va rog Repede ?? Multumesc !!

Răspuns:
a) 41-9x3=41-27=14
b) (4²+4):5-3=(16+4):5-3=20:5-3=4-3=1
c) (3¹+3²+3³)x2020°=(3+9+27)x1=39x1=39
d) x= 4