带入算式并附上1和23两个结果,可得:
x - y = 1
x + y = 23
This corresponds to:
于是得出:
12 – 11 = 1
12 + 11 = 23
Write them together and you get 123, as in the brainteaser question which is written 12 + 11 = 123
两个结果放在一起即123,按照原测试的规则写出来就是“12 + 11 = 123”。
运算过程:
x - y = 1
x + y = 23
We can add these two together, which would be written out like this (x-y)+(x+y)=24
将上面两个等式左右相加,可得“(x-y)+(x+y)=24”。
In this equation we have 2x and no y, so:
左边运算结果为2x,y已相互抵消,于是我们得出:
2x=24
That means that x is 12, so using the first formula:
所以x等于12,在利用之前的第一个等式:
12-y=1
That means that y is 11.
所以y等于11。
Write these numbers in the style of the brainteaser and you get 12+11=123
仿照测试中的写法,可得“12+11=123”。
Vocabulary
boffin:科学家;科技理论家
brainbox:绝顶聪明的人
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