two-digit

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• 有几道GMAT数学题弄不懂,1、If 1050（是10的50次方） – 74 is written as an integer in base 10 notation,what is the sum of the digits in that integer?2、If x > 0,then 1/[√(2x)+√x] =3、A positive integer n is said to be “prime-saturated” if the product of all the different positive prime factors of n is less than the square root of n.What is the greatest two-digit prime-saturated integer?A,99 B,98 C,97 D,96 E,95
• It is a two-digit number.翻译,第一个比采纳.
• two-digit
• Please solve these problems for me!Please please pleaseNON-SQUARESThe numbers 1,4,9,16,25,36,49,64,81,… are called the square numbers.Let’s call the omitted numbers 2,3,5,6,7,8,10,11,12,13,...the non-square numbers.The first non-square number is 2The second non-square number is 3.The third non-square number is 5.a) What is the twentieth non-square number?b) How many two-digit non-square numbers are there?c) What is the hundredth non-square number?d) T
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• T is the ten digits of a two-digit positive integerGRE的mathematics conventions有个例子是“T is the tens digits of a two–digit positive integer,so T is an integer from 1 to 9”,我不太明白前半句话的意思,a two–digit positive integer 应该是一个两位的正整数,前面的the tens
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• Kyle’s lock combination consists of 3 two-digit numbers.The combination satisfies the three conditions below. One number is odd. One number is a multiple of 5. One number is the day of the month of Klye’s birthday.If each number satisfies exactly one of three conditions ,which of the following could be the combination to the lock?A 14-20-13B 14-25-13C 15-18-16D 20-15-20E 34-30-21这题也没说Kyle的生日啊,答案为什么选A?
• two-digit
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