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SAT数学考点及公式复习
小编搜集整理了SAT数学考点及公式复习,包括概率论、代数、几何以及三角函数等部分的常用解题技巧,希望对大家有所帮助。
一、概率论
以下对SAT数学概率论部分的常用解题技巧进行了总结,供大家参考。
(1)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 increased from left to right?
比较题目:
(2)In the integer 3589 the digits are all different and increase from left to right. How many integers between 30000 and 50000 have digits that are all different and that increased from left to right?
(3)If p, r, m are three different prime numbers greater than 2, and n=p*r* m, how many positive factors, including 1 and n, does n have?
比较题目:
(4)If p, r, m, n, t and s are six different prime numbers greater than 2, and n=p*r*s*m*n*t, how many positive factors, including 1 and n, does n have?
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