Question

determinati elementele multimii​

Answer 1

Răspuns:

A=x+3<7-x∈{1,2,3}

B= 2 puterea 3 -5 >x≤ 3 put 3 -2

4-5=-1

27-2=25

x∈{ 1,2,3,4,...,25}

C=x∈{4,5,6,7,8,9}

D=x∈{1,3,5,7,9}

E=Ф?

F=2 la x+1 =32

2 la x+1 = 2 la 5

x+1=5

x=4

Explicație pas cu pas:

c=4x4=16

5x5=25

6x6=36

7x7=49

8x8=64

9x9=81