第1个回答 2020-05-26
459-(59+42)=459-59-42
=400-42
=358本回答被网友采纳
=400-42
=358本回答被网友采纳
第2个回答 2020-05-26
459-(59+42)
=459-59-42
=400-42
=358
=459-59-42
=400-42
=358
第3个回答 2020-05-26
459-(59+42)
=459-59-42
=400-42
=358
=459-59-42
=400-42
=358
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