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The following△、□、○each stands for a number.What does each st

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The following△、□、○each stands for a number.What does each stand for?的意思.
△+△+△=○+○
○+○+○+○=□+□+□
△+□+○+○=180
The following△、□、○each stands for a number.What does each st
根据第一条式子可得出
△的值：○的值=2:3 （1）
同样道理根据第二条式子得出
○的值：□的值=3:4 （2）
所以把式子（1）和式子（2）化简通分,可得出
△的值：○的值：□的值=2:3:4 （3）
再将式子（3）和题目的第三条式子结合,
可解出：△=30 ○=45 □=60
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