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a fost răspuns

Aflati termenul necunoscut ×, stiind ca [(×+360:4)•5+700]:600=2

Răspuns :

[(x+360:4)*5+700]:600=2
[(x+90)*5+700]=2*600
[(x+90)*5+700]=1 200
(x+90)*5=1 200-700
(x+90)*5=500
x+90=500:5
x+90=100
x=100-90
x=10

Pailaia
[(x+90)•5+700]:600=2
(X+90)•5+700=2•600
(x+90)•5+700=1200
(x+90)•5=1200-700
(x+90)•5=500
x+90=500:5
x+90=100
X=100-90
x=10