What is the probability of  drawing a red ball?, certain, impossible, What is the probability of drawing a pink ball?, certain, impossible, What is the probability of drawing a purple ball?, certain, impossible, What is the probability of drawing a green duck?, certain, impossible, What is the probability of drawing a black duck?, certain, impossible.

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?