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rezolvati in IN ecuatiile [(x:2)•4]:3=60

Răspuns :

( x :2 ) · 4 = 60 ·3 
x : 2  = 180 :4 
x :2 = 45 
x = 2 ·45 = 90 
x=90
[x/2 ori 4]:3=60
2x/3=60
2x=180