(2)24 8/33
(3)28
(4) 0.2012041(5) 0.2 (0120415) The brackets here indicate the loop segment.
(5)2 24/7
(6)48; 256/3
(7)35
(8)30
(9)2 1, 7
( 10)628
( 1 1) 198
(12) A 6 yuan, B 3 yuan.
(13) omitted
( 14) 1680
( 15) 130, 134, 136, 138, 140, 142 。
(16) Yes. A * * * requires six steps, and the coordinates are (7, 9) (8, 8) (9, 7) (9, 9) respectively.