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Ecuatia [(x:2)x4]:3=60

Răspuns :

(x:2) x4 = 60x3 = 180
x:2 = 180:4
x=180:4x2
x=90


[(x:2)x4]:3=60

[(x:2)x4]=60x3

[(x:2)x4=180

x:2=180:4

x:2=45

x=45x2

x=90