(1)
=18 42
=18÷6 42÷6
;3 7
(2)
=42 54
=42÷6 54÷6
;7 9
(3)
=25 75
=25÷25 75÷25
;1 3
(4)
=44 55
=44÷11 55÷11
;4 5
(5)
=26 78
=26÷26 78÷26
;1 3
(6)
=56 91
=56÷7 91÷7
;8 13
(7)
=32 14
=32÷2 14÷2
=216 7
;2 7
(8)
=224 120
=224÷8 120÷8
=128 15
.13 15