數學用10,20,30,40,50,+,-x,÷計成0

[匿名]

2008-08-02 5:26 am

求暑期作業數學用10,20,30,40,50,+,-x,÷計成0冧咗醒個月 急急急........

回答 (1)

Man

2008-08-02 5:30 am

✔ 最佳答案

40÷10x20-(30+50)
= 80-80
= 0

哈哈=]

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