Question

Determinati nr natural x in fiecare dintre urmatoarele cazuri
a) 2x=8
b) 3x=27
c)5x=625
d) 4x=64
e)23×=1
f)11x=121​

Answer 1

Răspuns:

a)2x=8 | :2

x=4

b)3x=27 |:3

x=9

c)5x=625 |:5

x=125

d)4x=64 |:4

x=16

e)23x=1 |:23

x=1 supra 23

f)11x=121 |:11

x=11