Answers
A○○○○ ←4!=24
B○○○○ 24
C○○○○ 24
DA○○○ 6
DBA○○ 2
DBC○○ 2
DBEAC なので82通り?
~C○○○○ 48
CA○○○ 54
CB○○○ 60
CBADE 61
CBAED 62
CBDAE 63 👈?
ありがとうございます😊
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ありがとうございます😊