3x6等于18。四乘八等于32。然后5x7,5x9?
32 35 45
32 35 45
32 35 45
(1)2,4,8,16,(32),64.
(2)1,4,9,16,(25),36,49.64.
(3)1,4,7,10,13,(16),19,21.
(4)1,4,16,64,(256),1024,4096.
(5)2,3,5,9,17,(33),65,129.
(6)15,4,13,4,11, 4,(9),(4).
(7)8,15,10,13,12,11,(14),(9).