Răspuns :
2. 2. 2•2
X : 2=. 3
2 2•2. 2
X. =. 3. • 2
2. 2. 2
X. =( 3. •. 2)
2. 2
x. =(9•2)
2. 2
x. =18
X=18
X : 2=. 3
2 2•2. 2
X. =. 3. • 2
2. 2. 2
X. =( 3. •. 2)
2. 2
x. =(9•2)
2. 2
x. =18
X=18