Răspuns :
a:7=12+5
a=7*12+5
a=84+5
a=89
136:b=6+4
136=6b+4
136-4=6b
132=6b
b=132:6
b=22
487:c=9+1
487=9c+1
487-1=9c
486=9c
c=486:9
c=54
a=7*12+5
a=84+5
a=89
136:b=6+4
136=6b+4
136-4=6b
132=6b
b=132:6
b=22
487:c=9+1
487=9c+1
487-1=9c
486=9c
c=486:9
c=54
a)
a : 7 = 12 rest 5
a = 12 x7 +5
a= 84 + 5
a =89 → deimpartitul
b)
136 : b = 6 rest 4
b = (136 - 4):6
b = 132:4
b = 33 → impartitorul
c)
487: c = 9 rest1
c=(487- 1) : 9
c = 486 : 9
c= 54 → impartitorul
a : 7 = 12 rest 5
a = 12 x7 +5
a= 84 + 5
a =89 → deimpartitul
b)
136 : b = 6 rest 4
b = (136 - 4):6
b = 132:4
b = 33 → impartitorul
c)
487: c = 9 rest1
c=(487- 1) : 9
c = 486 : 9
c= 54 → impartitorul