> 数学 >
找规律73,64,53,42,31,( )( )
人气:462 ℃ 时间:2020-06-09 15:35:52
解答
73,64,53,42,31,( 20)( 9)
73 -64 = 9
64- 53 =11
53 - 42 = 11
42-31 = 11
31-11 = 20
20-11 = 9
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版