2 years ago

Trong một chiếc hộp đựng 6 viên bi đỏ, 8 viên bi xanh, 10 viên bi trắng. Lấy ngẫu nhiên 4 viên bi. Tính số phần tử của:

Mathematics

1 answer:

Svet_ta [14]2 years ago

5 0

Answer:..............................

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