Question

Cineva?? Va rogg??????

Answer 1

Răspuns:

13)

a.A={2,3,4,5}

B={x,5,3,4}

x=2

b.3x-2=19

3x=19+2=21

x=21÷3

x=7

c.A={3^x,2^4,4^3,7^2}

B={16,27,49,64}

x=3

3^3=27