Răspuns:
a)
a : b = 6
a - b = 25
a |.....|.....|.....|.....|.....|.....|
_____________
25
b |.....|
25 : 5 = 5
a 5 × 6 = 30
b 5
b)
a : b = 8
a - b = 35
a |....|....|....|....|....|....|....|....|
______________
35
b |....|
35 : 7 = 5
a 5 × 8 = 40
b 5