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Mathematics, 22.07.2021 20:00 MeowieMeowMeow3891

1 nhà máy có 3 robot A, B,C sản xuất cùng 1 loại linh kiện điện tử với sản lượng bằng nhau. Tỉ lệ phế phẩm của robot A là 5% , robot B là 4%, robot C là 3%. Tính tỉ lệ phế phẩm chung của nhà máy?

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