Question

scrue toate numerele de forma 23x divizibile ce; a) 2; b) 5; c) 10; d) 3; e) 4; f) 9.

Answer 1

a)x=0,2,4,6,8
23x=230,232,234,236,238
b)x=0,5
23x=230,235
c)x=0
23x=230
d)x=1,4,7
23x=231,234,237
e)x=2,6
23x=232,236
f)x=4
23x=234