A~I為0~9某數
1.
ABC
x CBA
_________
CDE
FGA
HBD
_________
IGIGEE
2.
ABCD
x DCBA
___________
EDDFG
FGHBC
HFCGD
FCIFF
____________
AGGHBFGG
--
1.
ABC
x CBA
_________
CDE
FGA
HBD
_________
IGIGEE
2.
ABCD
x DCBA
___________
EDDFG
FGHBC
HFCGD
FCIFF
____________
AGGHBFGG
--
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