发布网友 发布时间:2024-10-24 10:18
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热心网友 时间:2024-11-09 08:03
3.16×238-116×1.38
=316×2.38-116×1.38
=316+316×1.38-116×1.38
=316+(316-116)×1.38
=316+200×1.38
=316+138×2
=316+276
=592