Question

Determinați nr nat care ipartite la 8 dau același cât și rest

Answer 1

18:8= 2 rest 2

27:8= 3 rest 3

36:8= 4 rest 4

45:8= 5 rest 5

54:8= 6 rest 6

63:8= 7 rest 7

Answer 2

a:8=1 rest 1
a=1×8+1
a=8+1
a=9

b:8=2 rest 2
b=2×8+2
b=16+2
b=18

c:8=3 rest 3
c=3×8+3
c=24+3
c=27

d:8=4 rest 4
d=4×8+4
d=32+4
d=36

e:8=5 rest 5
e=5×8+5
e=40+5
e=45

f:8=6 rest 6
f=6×8+6
f=48+6
f=54

g:8=7 rest 7
g=7×8+7
g=56+7
g=63