Engineering, 29.07.2021 22:20 mrush1122
Khi thực hiện phép nhan có thừa số thứ 2 là 2009,tuấn đã sơ ý viết các tích riêng thẳng cột như phép cộng. Do đó tích tìm được là 247104. Tìm thừa số thứ nhất
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Khi thực hiện phép nhan có thừa số thứ 2 là 2009,tuấn đã sơ ý viết các tích riêng thẳng cột như phép...
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