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5/554x555用简便方法怎样计算

Simone 发布于 2024-09-17 14:57:58 547 阅读

5/554x555用简便方法怎样计算

5/554*555

=5/554*554+5/554*1

=5+5/554

=5又554分之5

标签:554x555,简便