一道简单的英文数学题,求助in a list of numbers that starts with the numbe
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
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
赞 badass_zizou 幼苗
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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
If you have any question,contact me please.
I am a teacher to conduct math in English overseas.
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
If you have any question,contact me please.
I am a teacher to conduct math in English overseas.
1年前
9
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你能帮帮他们吗