If the range of the six possible numbers 4,3,14,7,10 and x is 12, what is the difference between the greatest possible value of x and least possible value of x?
A. 0
B. 2
C. 12
D. 13
E. 15
答案是D, 為什麼呢?
我算的結果, x一定要是2, range 才會是12
所以x可能的差就是0, 我選A
有哪位大大可以替我解答一下嗎?
謝謝~