Một nhóm gồm 10 sinh viên (SV) trong đó có 2 SV giỏi, 3 SV khá và 5 SV trung bình. Gọi kiểm tra ngẫu nhiên cùng một lúc 3 SV. Tính xác suất để trong 3 SV đã gọi có đủ cả ba loại giỏi, khá, trung bình.

300

step-by-step explanation:

28-600w < 300

28-600w > 300

600-28w < 300

600-28w > 300

step-by-step explanation:

16 is the absolute value

step-by-step explanation:

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .