单项选择题
-1/22,-1/33,-1/44,________ ( )A.1/5<sup>2</sup>B.-1/5C...
单项选择题-1/22,-1/33,-1/44,________ ( )
-2, -2, 0, 0, 2, 2, 4,________ ( )A.2B.4C.0D.-2
单项选择题-2, -2, 0, 0, 2, 2, 4,________ ( )
78, 53, 33, 18, 8,__________ ( )A.5B.3C.4D.0
单项选择题78, 53, 33, 18, 8,__________ ( )