作业帮一道简单的英文数学题,求助in a list of numbers that starts with the number 13, every number is 14 less than twice the number that comes just before it . what will the fourth number in the list be?正确答案是6 我看不是很懂这题
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一道简单的英文数学题,求助in a list of numbers that starts with the number 13, every number is 14 less than twice the number that comes just before it . what will the fourth number in the list be?正确答案是6 我看不是很懂这题
一道简单的英文数学题,求助
in a list of numbers that starts with the number 13, every number is 14 less than twice the number that comes just before it . what will the fourth number in the list be?
正确答案是6 我看不是很懂这题目的意思 求助
一道简单的英文数学题,求助in a list of numbers that starts with the number 13, every number is 14 less than twice the number that comes just before it . what will the fourth number in the list be?正确答案是6 我看不是很懂这题
Solution:
The first no.is 13.
The second no.is 2×13 - 14 = 12
The third no.is 2×12 - 14 = 10
The fourth no.is 2×10 - 14 = 6
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有一列数，第一个数是13，每个数都比它前面一个数的两倍少14，那么这列数的第四个数会是多少？
答：在一组有13数的列表中，每个号码都小于14的两倍。在这个列表中第4个数是什么呢?
13; 12(13*2-14); 10(12*2-14); 6(10*2-14)
翻译一下你就懂了：有一列数，第一个数是13，每个数都比它前面一个数的两倍少14，那么这列数的第四个数会是多少？
答案明显是6