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AJUTORRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR!! ​

AJUTORRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR class=

Răspuns :

Răspuns:

Explicație pas cu pas:

A∪B={ 1,2,3,4,7 }

A= { 1,2,3 }→ B= { 1,4,7 ,2 }→ a=2

-

B∩C= { 1,2,4 }

B= { 1,4,7,2 } →C= { 2,3,1,8,4 }→b=1

deci

a= 2

b=1

Răspuns:

Explicație pas cu pas:

Vezi imaginea MIKIVLAD