what number is missing from the final boxA 6 B 7 C 8 D 选什么24 52 3_英语解答

what number is missing from the final box
A 6 B 7 C 8 D 选什么
24 52 35 11

人气：102 ℃　时间：2020-01-27 21:14:50

解答

2+4=6
5+2=7
3+5=8
1+1+7=9