multimi

 $Cardinalul\ multimii\ A\ =\left\{1,2,4,3,6,7,9\right\}este.....$  

• 5

• 7

• 4

• 3

Multimea  $A=\left\{x\in N,\ 2\le x\le2^4\right\}$  are cardinalul egal cu.....

• 4

• 5

• 15

• 14

Multimea divizorilor numarului 120 este o multime......

• infinita

• finita

Multimea multiplilor numarului 120 este o multime...

• finita

• infinita

 $A=\left\{2,4,6,8,10,12\right\}$  Scrisa cu ajutorul proprietatilor multimea este egala cu multimea....

•  $A=\left\{x\in N,\ x\ divizibil\ cu\ 2\right\}$  

•  $A=\left\{x\in N,\ x\ne0,\ x\ numar\ par,\ x<12\right\}$  

•  $A=\left\{x\in N,\ 0<x\le12,\ x\ numar\ par\right\}$  

 $\left\{x,\ x-1,\ x-2\right\}=\left\{2,3,4\right\}$  . Atunci x are valoarea

• 2

• 4

 $\left\{2,3,4,5\right\}\subset\left\{x\in N,\ x\le5\right\}$  

• Adevarat

• Fals

 $A=\left\{x\in N,\ 2^x\le128\right\}$  , card A= ?

• 7

• 8

• 127

• 128

 $\left\{2^4,\ 8,\ 4,\ 1\ \right\}=\left\{4x,\ 2^3,\ 2^y,2^2\right\}$  , atunci  $x=?,\ y=?$  

•  $x=2,\ y=0$  

•  $x=0,\ y=4$  

•  $x=4,\ y=0$  

•  $x=8,\ y=2$  

 $A=\left\{1,4,7,10,...,310\right\}$  ,  $cardA=?$  

• 100

• 103

• 104

• 102