Question

calculaţi termenul necunoscut ​

Answer 1

Răspuns:

Salut

a)x/25=15/21

x/25=5/7

7x=125

x=125/7

b)40=5/x

40x=5

x=1/8

==evergreen==

Answer 2

Răspuns:

a)

x/25=15/21 => 21x=375 => x=121/7

b)

40=5/x=> 40x=5 => x=5/40=>x=1/8