摘要:找规律接着写. (1)3 6 9 12 15 18 . . . (2)2 6 12 16 22 26 . . . (3)90 80 70 60 50 40 . . . (4)54 48 42 36 30 24 . . . (5)1234 4123 3412 . . .
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网址:http://m.1010jiajiao.com/timu3_id_578411[举报]