He added: “I sent the problem for some people, including a doctorate in economics with mathematics, but they have not given the answer.
他还说:“我把这道题发给了一些人,其中包括一位有数学背景的经济学博士,但他们都还没有给出答案。
Vietnam does very well in the international PISA tables that compare 15-year-olds’ performance in maths, science and reading. Vietnam ranks 17 in maths and 8 in science, which outperforms many Western countries like the UK (26 and 20) and US (36 and 28).
越南的学生在国际学生评估项目的数学、科学和阅读领域表现都不俗。他们在数学领域排名17,在科学领域排名第8,比英国(这两项分别排名26和20)和美国(分别排名36和28)都出色。
No wonder if they are given problems like this....
难怪他们能出这样的题目......
Can you do it?
你能解出这道题吗?
Here is one of the solutions from a commenter at Gizmodo: There are other possible solutions, but the first one I came up with was: 6, 9, 3, 5, 2, 1, 7, 8, 4 in that order ... How I got to it was assigning each blank to a letter and writing the whole thing as an equation then grouping like terms.
以下是Gizmodo网站一位网友给出的答案:可能还有别的解法,但我最先想到的是:空格中依次填6, 9, 3, 5, 2, 1, 7, 8, 4。我用字母代替每一个空格,然后把整个等式列出来,再进行同类项合并。
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