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Mathematics, 23.07.2021 14:00 robert7248
tìm số có 4 chữ số, biết rằng tổng các chữ số của nó bằng 20, tích các chữ số của nó bằng 441 và viết các chữ số của số đó
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tìm số có 4 chữ số, biết rằng tổng các chữ số của nó bằng 20, tích các chữ số của nó bằng 441 và viế...
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