蒋不凡大乐透25047期：本期预测区间比为2：2：1。

Core Insights - The analysis of the last lottery draw indicates no repeated or consecutive numbers were drawn, with a focus on the leading number 04 and the trailing number 34 [1][2]. Group 1: Leading and Trailing Numbers - The leading number for the last draw was 04, which decreased by 4 points compared to the previous draw. The last ten leading numbers were 05, 07, 03, 02, 03, 06, 03, 15, 08, and 04. The upcoming draw is expected to have the leading number concentrated between 01 and 10, with a focus on 04 [2][3]. - The trailing number for the last draw was 34, which increased by 7 points from the previous draw. The last ten trailing numbers were 31, 34, 19, 32, 27, 20, 27, 26, 27, and 34. The analysis suggests that the upcoming trailing number will likely be around 30 [3]. Group 2: Number Distribution and Patterns - The last draw's interval ratio was 2:2:1, with the last ten interval ratios being 17:22:11, indicating that the second interval is currently the hottest. The expected interval ratio for the next draw is also 2:2:1 [3]. - In the first interval (01-12), 2 winning numbers were drawn last time, with a total of 17 numbers drawn in the last ten draws. The focus for the next draw is on numbers 04 and 12. In the second interval (13-24), 2 winning numbers were also drawn last time, with 22 numbers drawn in the last ten draws, and the focus is on numbers 16 and 24. The third interval (25-35) had 1 winning number last time, with only 11 numbers drawn in the last ten draws, and the focus is on number 30 [3]. Group 3: Repeated and Consecutive Numbers - No repeated numbers were drawn in the last draw, with repeated numbers appearing in 6 of the last ten draws. The analysis predicts that no repeated numbers will appear in the upcoming draw [4]. - Similarly, no consecutive numbers were drawn in the last draw, with consecutive numbers appearing in 6 of the last ten draws. The analysis also predicts that no consecutive numbers will appear in the upcoming draw [4]. Group 4: Back Area Analysis - The back area numbers drawn were 04 and 07, with an odd-even ratio of 9:11 in the last ten draws, indicating a higher frequency of even numbers. The prediction for the next draw suggests an odd-even combination of 06 and 11 [5].