Question

Afla numarul necunoscut din expresia:
paranteza patrata (a+270:3)×5+100 paranteza patrata inchisa :6000=1

Answer 1

[(a+270:3)x5+100]=600x1
[(a+90)x5+100]=600
(a+90)x5=600-100
(a+90)x5=500
(a+90)=500:5
a+90=100
a=100-90
a=10