chromosome 5 16 29 21 22
英语翻译Since chromosome damage may be caused by viral infection
英语翻译The use of the X chromosome in population genetics is st
英语翻译Y-chromosome haplogroup O3 is a common DNA marker in Han
2/5*7+4/7*11+6/16*22+3/2*5+5/11*16+7/22*29+1/29
观察以下两列数:5,9,13,17,21,25,29,33…… 4,7,10,13,16,19,22,25……
找规律.1,2,3,5,8,13,21,( ),( )…… 1,2,4,7,11,16,22,29,( )
3/2*5+2/5*7+4/7*11+5/11*16+6/11*22+7/22*29+1/29
2*5分之3+5*7分之2+7*11分之4+11*16分之5+16*22分之6+22*29分之7+29分之1=
3/2*5+2/5*7+4/7*11+5/11*16+6/16*22+1/22*29+1/29=?
解方程 (22 21:29:38)
几何 (20 22:16:21)
1/1*2+2/2*4+3/4*7+4/7*11+5/11*16+6/16*22+7/22*29+8/29*37