Mathematics, 13.12.2021 20:10 TH3L0N3W0LF
Một lớp có 20 nam và 10 nữ. Hỏi có bao nhiêu cách chọn 1 ban cán sự lớp
gồm 1 lớp trưởng, 1 lớp phó học tập và 1 lớp phó đời sống.
a) Một cách tùy ý.
b) Lớp trưởng là nữ
c) Có đúng 1 nữ.
d) Có nhiều nhất 1 nữ
Answers: 1
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Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?
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Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !
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Một lớp có 20 nam và 10 nữ. Hỏi có bao nhiêu cách chọn 1 ban cán sự lớp
gồm 1 lớp trưởng, 1 lớp ph...
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