0.5x2.74x0.5x8怎么用简便方法做

mm43462022-10-04 11:39:541条回答

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skysky523 共回答了17个问题 | 采纳率82.4%
0.5x2.74x0.5x8
=0.5x0.5x8x2.74
=0.25x2x2.74
=2x2.74
=5.48
1年前

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