问题描述：
In the integer 3589 the digits are all different and increase from left to right.How many integers between 4000 and 5000 have digits that are all different and that increase from left to right?
这是一道填空题,不理解题目意思,求地道翻译+解答
If the letters L,O,G,I,and C are randomly arranged to from a five-letter "word",what is the probability that the result will be the word LOGIC?
A 1/120 B 1/24 C 1/5 D 1/4 E 1/2
求用Cmn或Pmn的排列组合公式做,
Three fair coins are tossed at the same time.What is the probability that all three coins will come up heads?
A 1/8 B 1/6 C 1/4 D 1/3 E 3/8
求用Cmn或Pmn的排列组合公式做,
If I 6-5y I ＞20,which of the following is a possible value of
A -6 B -1 C 1 D 3 E -2
If g(x)＞0 for all real values of x,which of the following could be the function
A g(x)=x + 1 B g(x)=x - 1 C g(x)=x^2 + 1 D g(x)=x^2 - 1 E g(x)x^3 + 1
这是一道填空题,不理解题目意思,求地道翻译+解答
If the letters L,O,G,I,and C are randomly arranged to from a five-letter "word",what is the probability that the result will be the word LOGIC?
A 1/120 B 1/24 C 1/5 D 1/4 E 1/2
求用Cmn或Pmn的排列组合公式做,
Three fair coins are tossed at the same time.What is the probability that all three coins will come up heads?
A 1/8 B 1/6 C 1/4 D 1/3 E 3/8
求用Cmn或Pmn的排列组合公式做,
If I 6-5y I ＞20,which of the following is a possible value of
A -6 B -1 C 1 D 3 E -2
If g(x)＞0 for all real values of x,which of the following could be the function
A g(x)=x + 1 B g(x)=x - 1 C g(x)=x^2 + 1 D g(x)=x^2 - 1 E g(x)x^3 + 1
问题解答：
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