A. positive B. negative C. 0 D. a fraction 相关知识点: 试题来源: 解析 C #s could be 12 &14,or −12 & −14, or any two #s with same sign. 如果两个数字的乘积是正数,那么这两个数字的和不可能是( ). A.正数 B.负数 C.0 D.分数 两个数字的乘积是正数,那么这两个数字可能都...
According toPeano Axiom 2.3, 0 is not the successor of any natural number, so (a+n)++ is not equal to 0, thus (a+n)++ is positive according tothe definition of positive number. So we have a+(n++) is positive, and the case b=n++ hold, it closes the induction. The dependency ...
If the sum of the first n positive integers is S,what is the sum of the first n positive even integers, in terms of S ?() A. B.S C.2S D.2S+2 E.4S 相关知识点: 试题来源: 解析 C [解析] 前n个正整数的和为: S=1+2+3+…+n 前n个正偶数的和为: 2+4+6+…+2n=2(1...
1. The sum of two positive numbers is 2. Find the smallest value possible for the sum of the cube of one number and the square of the other 相关知识点: 试题来源: 解析 Smallest valve o som of caube of one seveeve o ctuee 0 1.-9354given: Sun ag 2 tve nos. io g To fnoa: ...
=SUMIF(C5:C9,">0") PressEnterand you’ll see the expected result. Read More:Excel Sum If a Cell Contains Criteria (5 Examples) Method 2 – Use an Excel Table to Sum Positive Numbers Only TheExcel Tablefeature is really helpful while doing operations following certain conditions. In this...
. What is the least possible value of the product of these two numbers( ).A. 0 B. 1 C. 9 D. 10 相关知识点: 试题来源: 解析 C The sum is 10. The product gets smaller as the numbers get further apart. The least produce is 1×9=9. 两个正整数的和是10,则这两个数乘积的最小...
1What is the greatest commom divisor of positive integers m and n ?() (1)m is a prime number. (2)m and n are consecutive integers. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)...
解析 C [解析] 前n个正整数的和为: S=1+2+3+…+n 前n个正偶数的和为: 2+4+6+…+2n=2(1+2+3+…+n)=2S 结果一 题目 If the sum of the first n positive integers is S,what is the sum of the first n positive even integers, in terms of S ?() A.5/2 B.S C.2S D.2S+2...
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SAT数学题Find a positive number such that the sum of the number and its reciprocal is as small as possible. 答案 这题答案是一 可以这么思考 当这个number从1变为2时 这个和(sum)的倒数部分减少0.5 但非倒数部分增加了1 总和增加0.5当从2变为3时 倒数部分减少0.5-1/3 减少的更少了 而非倒数还是增...