=IF(A1="a",1,IF(A2="b",2,IF(A3="c",3,IF(A4="d",4,IF(A5="e",5,IF(A6="f",6,IF(A7="g",7,IF(A8="h",8,if(A9="i",9,if(a10="j",10,if(a11="k",11,if(a12="l",12,if(a13="m",13,if(a14="n",14,if(a15="o",15,if(a16="p",16,if(a1...
1.i b n d e h behind2.s n w d i w owindows3.h r e t ethere4.o n f r tfront5.d n u r e 6.i l e vevil7.e r a Yyear8.p s r o tsport9.c m i u smusic10.s m i wswim11.o n i p aopion12.p A r l iapril13.l r c... 解析看不懂?免...