3, 5, 10, 25, 75, .( ),875。
A. 125 B. 250 C. 275 D. 350

2023-05-26



参考答案:B

(5 —3)X5 = 10,(10 — 5)X5 = 25,(25 —10)X5 = 75,(75 — 25)X 5 = 250, (250 —75)X5 = 875。故B项为正确答案。