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Scrieti multiplii naturalii pentru:a) 5,mai mici decat 30; b) 7,mai mici decat 50;c) 10,mai mari decat 15 si mai mici decat 45

Răspuns :

a) M₅={5,10,15,20,25}
b) M₇={7,14,21,28,35,42,49}
c)M₁₀{150,160,170,180,190,200,210,220,230,240,250,260,270,280,290,300,310,320,330,340,350,360,370,380,390,400,410,420,430,440}
La c cred ca te refereai la 150 si 450,ci nu la 15 si 45,astfel nu aveai cum...

a) 5, 10, 15, 20, 25 b) 7, 14, 21, 28, 35, 42, 49 c)10, 20, 30, 40