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问题: 求出○△□所代表的数

(1)○+△=180 ○=△+△ ○=? △=?
(2)△+□=35 □+○=53 ○+△=48 △=? ○=? □=?

解答:

(1)○+△=180,
○=△+△,
△+△+△=180,
△=60 ,○=120.

(2)△+□=35,
□+○=53,
○+△=48,
(△+□)+(□+○)+(○+△)=35+53+48=136
△+○+□=68,
△=68-53=15,
○=68-35=33,
□=68-48=20.



△=? ○=? □=?