Question

rezolvat deviația in r a)200+a=2012
b)-320/x=-81
c)x la puterea a2 =0.04

Answer 1

a) 200+a=2012

a=2012-200=1812

b) -320/x=-81

-320=-81x

x=320/81=3,9506

c) x²=0,04

x²=0,2²

x=2