望学霸解决这三题,thanks!

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望学霸解决这三题,thanks!
望学霸解决这三题,thanks!

望学霸解决这三题,thanks!

望学霸解决这三题,thanks! 帮我解决这几题,thanks THANKS thanks: Thanks thanks thanks Thanks! -Thanks. thanks thanks! thanks thanks! thanks thanks thanks thanks~ thanks