一道SAT数学题，求解！！P769／5
8,17,26,35,44,...Thefirst5termsinasequenceareshownabove.Eachtermafterthefirstisfoundb...
8,17,26,35,44,...
The first 5 terms in a sequence are shown above. Each term after the first is found by adding 9 to the term immediately preceding it. Which term in this sequence is equal to 8+(26-1)9?
答案选（D）第26项
为什么啊？总也想不通！！ 展开
The first 5 terms in a sequence are shown above. Each term after the first is found by adding 9 to the term immediately preceding it. Which term in this sequence is equal to 8+(26-1)9?
答案选（D）第26项
为什么啊？总也想不通！！ 展开
展开全部
哪里不懂？
项的公式可以简略为
8+9(N-1)
当然是第26项嘛
项的公式可以简略为
8+9(N-1)
当然是第26项嘛
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