58. Rezolvați ecuațiile:
a) C+21×11= 5^4 -19×3
Solutie. x+231=625-57 x=337
b) x-(7^2-11×4)= 29×8-2^5
c) 6×X:15+7^2×5=15^2 +17×3-27
d)X - (29×5-12^2)=25^2-2×11×10
e) 18:[(5^2-5× X)×2-11]=2
f) 2014-{2015-[2014-(2013-X)]}=2012
Dau Coroana !!! Plssss Help !!!