2024 (1) ( ) - - 1/55 ( ) ( ?) / 1/55 ( ) ( ) ( ) 2/55 +---------+ | " " | +----+---------+----+ | | +-----+-------------------+------+ | | -----+--------------------------------+----- ( ) 3/55 4/55 â â ? ⢠⢠⢠⪠⢠⢠0 â 5/55 2 2 ( (?)) ( (?)) 6/55 A B C D O |AB| = |DC| |AC| = |DB| (1) â³ABC â³DCB (2) â³ABO â³DCO 7/55 (a) 3 (b) 2 (c) 1 3 â 2 2 â 2 1 â 2 8/55 1 1 ( ) |AB| = |DC| |AC| = |DB| (1) ( ) |BC
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