={INDEX(A$2:A$100,MATCH(0,COUNTIF(G$1:G1,A$2:A$100),))&""} 看不懂,

={INDEX(A$2:A$100,MATCH(0,COUNTIF(G$1:G1,A$2:A$100),))&} 看不懂, index a number index a object value EXCEL =INDEX(A:A,MATCH(1,1*(B2:B30 300MA=?A 300mA=?A B2=INDEX($A$2:$A$100,MATCH(,COUNTIF($B$1:B1,$A$2:$A$100),))&大侠,这个公式我怎么用不成 attempt to index a string ma^2-4ma+4a因式分解 =INDEX(商品进货!A:A,MATCH(0,COUNTIF(O$2:O36,商品进货!$A$2:$A$49),)+1)& a方+n/ma+()={()+()}^2 50mA=( )A,200毫安=( )mA,100mA=( )毫安A 简称为电流,单位是安培 是初2上学期的中的问题 var str=this is a javascript book!; index=str.lastIndexOf(i,3); alert(index); 为什么输出2啊?var str=this is a javascript book!;index=str.lastIndexOf(i,5);alert(index);str.lastIndexof(字符,数字),数字是从哪开始数?怎么数? INDEX函数,SMALL函数,IF函数和ROW函数=INDEX(B:B,SMALL(IF($A$2:$A$10=$E$1,ROW($A$2:$A$10),65536),ROW(1:1))) & “” 2.5A= mA,300A= mA 1mA=10^?A .. 一A mA=?uA 0.2A=?mA?uA