Mathematics, 28.06.2021 04:50 tkailyn

Một người mở khoá két nhưng quên mất 3 chữ số cuối của mã két, nhưng nhớ rằng 3 chữ số này đều là số chẵn và chúng khác nhau. Tính xác suất để người đó nhập đúng mã két. Xác suất đó là

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Một người mở khoá két nhưng quên mất 3 chữ số cuối của mã két, nhưng nhớ rằng 3 chữ số này đều là số...

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