If the average of five numbers is , then the sum of these numbers is . When the sixth number, , is added to the other five numbers, the sum of these six numbers is . There fore the average of the six numbers is . 五个数字的平均值为.假设五个数字相加这个数字,这六个数字的平均值是...
If the average of five numbers is 20, and four of them are 15, 22, 18 and 25, then the fifth number is ___. A. 细平任如正产全半细平任如正产全半20细平任如正产全半细平任如正产全半 B. 条能条能25条能条能 C. 复反张清象车复反张清象车30复反张清象车复反张清象车 D. 果电...
The average of three numbers is 25, so their sum is 3×25=75. Since 20+30=50, the third number is 75−50=25. 三个数字的平均值是25.如果其中两个数是20和30,那么第三个数字是多少( ). A. 0 B. 20 C. 25 D. 30 三个数的平均值是25,所以它们的和是3×25=75.因为20+30=50,第...
The average of the five numbers in a list is 54. The average of the first two numbers is 48. What is the average of the last three numbers?( ). A: 55 B: 56 C: 57 D: 58 E: 59 相关知识点: 试题来源: 解析 D列表中五个数字的平均值是54.前两个数字的平均值是48.最后三个数字的...
If the largest of these numbers is 97, then the mean of the remaining three numbers is( ).A.81.0B.82.7C.83.0D.84.0E.84.3 答案 A相关推荐 1The arithmetic mean (average) of four numbers is 85. If the largest of these numbers is 97, then the mean of the remaining three numbers is(...
百度试题 结果1 题目The average (ie mean) of five numbers is 5.8.If four of the numbers are 5s, what is the other number? 相关知识点: 试题来源: 解析 9 反馈 收藏
If the average of five consecutive even numbers is 28, the largest of these numbers is ___. A. 30 B. 32 C. 34 D. 36 相关知识点: 试题来源: 解析 C。设这五个连续偶数的中间数为 x,则这五个数为 x - 4,x - 2,x,x + 2,x + 4,它们的和为 5x = 28×5 = 140,解得 x = ...
结果1 题目 The average of 5 odd numbers is 19. The average between the largest5and the smallest number is also 19. . What is the sum of the remaining3 numbers?Answer: 相关知识点: 试题来源: 解析 519 x 5=9519x2=3895-38=57 反馈 收藏 ...
The average of 8 numbers is 15. After adding a new number, the average becomes 16. What is the new number? A. 24 B. 23 C. 22 D. 21 相关知识点: 试题来源: 解析 A。8 个数的总和为 120,加入一个新数后平均变为 16,此时总和为 16×9 = 144,新数为 144 - 120 = 24。
If the average of 4 numbers is 8, their sum is 4×=32 . The sum of the two numbers which were removed is 42−32=10 . 六个数字的平均值为7.如果六个数字中的两个数字被删除,则剩余数字的平均值为8.被删除的两个数字的总和是多少?. (使用原理n个数的总和n乘n数的平均值.)如果6的平均值...