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](/uploads/image/z/1690423-7-3.jpg?t=%E4%B8%80%E9%81%93%E7%AE%80%E5%8D%95%E7%9A%84%E8%8B%B1%E6%96%87%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E6%B1%82%E5%8A%A9in+a+list+of+numbers+that+starts+with+the+number+13%2C+every+number+is+14+less+than+twice+the+number+that+comes+just+before+it+.+what+will+the+fourth+number+in+the+list+be%3F%E6%AD%A3%E7%A1%AE%E7%AD%94%E6%A1%88%E6%98%AF6+++%E6%88%91%E7%9C%8B%E4%B8%8D%E6%98%AF%E5%BE%88%E6%87%82%E8%BF%99%E9%A2%98)
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