x + y = 100
3/4 x = 5/6 y -1
x + y = 100
3/4 x = 5/6 y -1
•
难得,五哥认认真真做题,不抬杠,给你点赞~~:)
-小学同桌-
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03/10/2023 postreply
08:43:09
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