Question

A=|X| XэN X-PATRAT PERFECT, X>30
B=|X| XэZ, Z - solutie ecuatie, x-7=7
C=XэQ , X Ecuatie subunitara, x>5/9

Answer 1

Răspuns:

A = {1, 4, 9, 16, 25}

B = {14}

C = {6, 7, 8}