[問題] 數學機經
機經裡有一題題目是
The number of K is in the set of X, and the range is 21.5
The number of M is in the set of Y, and the range is 9.5
If these number are combined, then what is the least possible range of
the number (K+M)?
答案有 9.5 12 21.5 31 43.5
這幾個
可不可以煩請各位高手幫我看看
謝謝
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08/31 02:03, , 1F
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