Question

determinați nr. naturale nenule x , astfel încît 2× x sa fie difuzor al nr. 36

Answer 1

D36 ={1,2,3,4,6,9,12,18,36}
a)
2x=1
x=1:2 -imposibil
b)
2x=2
x=2:2
x=1
c)
2x=3
x=3:2 -imposibil
d)
2x=4
x=4:2
x=2
e)
2x=6
x=6:2
x=3
f)
2x=9
x=9:2 -imposibil
g)
2x=12
x=12:2
x=6
h)
2x=18
x=18:2
x=9
i)
2x=36
x=36:2
x=18
x={1,2,3,6,9,18}