=IF(A215,(A2-15)*2+15,A2))这个公式怎么理解

=IF(A215,(A2-15)*2+15,A2))这个公式怎么理解 left(A2,1) if(len(A2)=2,right(A2,1),R(A2, =IF(COUNTIF($A$1:A2,A2)>0,COUNTIF($A$1:A2,A2)) =IF(COUNTIF($A$1:A2,A2)>0,COUNTIF($A$1:A2,A2)) excel 函数翻译B2=IF(COUNTIF($A$2:$A$100,A2)>1,A2,) =IF(A2=,,VLOOKUP(A2,银行帐号,2,0)) Excel公式错误.=IF(A2=郭鹏,B3,IF(A2=彭辉,1.5%,IF(A2=卜珊珊,2%,IF(A2=胡彦军,B3,IF(A2=万利鲜,2%,IF(A2=张会军,B3,IF(A2=李哲,1.5%,IF(A2=张阳,2%,IF(A2=朱常青,B3,IF(A2=王蕊,1.5%,IF(A2=谷超,B3,IF(A2=刘 求解以下的excel函数,特别是ISERROR,COLUMN,INDEX,参考1,2,3,4等等越详细越好!=IF(ISERROR(INDEX($A2:$L2,SMALL(IF(MATCH($A2:$L2,$A2:$L2,0)=COLUMN($A2:$L2),COLUMN($A2:$L2),65536),COLUMN(A1)))),,INDEX($A2:$L2,SMALL(IF(MATCH($A2:$L2,$A2:$ =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(a17=q,17,if(a18=r,18,19))))))))))))) 请解释下这句EXCLE公式 =IF(A2=,,VLOOKUP(A2,Sheet2!$A$1:$C$3,2,FALSE)) Mathematica怎么画不出d[3.3]的图?程序如下：Table[{M = Solve[(x - 8) (x - 5) (x - 6) == 0,x]; a1 = M[[1,1,2]]; a2 = M[[2,1,2]]; a3 = M[[3,1,2]]; {If[a2 < a3,{t = a2; a2 = a3; a3 = t}];If[a1 < a2,{t = a1; a1 = a2; a2 = t}];If[a2 < a3,{t = a2 =IF(ISERROR(IF(A2,SUM(OFFSET($E$1,MATCH(COUNTA($A$2:A2)&组,$A$2:$A$14,),MATCH((COUNTA($A$2:A2)+1)&组,$A$2:$A$14,)-MATCH(COUNTA($A$2:A2)&组,$A$2:$A$14,))),)),SUM($E$2:$E$14)-SUM($F1:F$2),IF(A2,SUM(OFFSET($E$1,MATCH(COUNTA($A$2:A2)&组 =IF(A2>90,A ,IF(A2>80,B ,C )) “=IF(A2>90,A,IF(A2>80,B,C))”, =IF(ISERROR(VLOOKUP(A2,A$1:A1,1,0)),, =IF(COUNTIF(A:A,A2)>1,重复,).的例子 求高手详解excel中的=IF(B$1>$A2,,B$1&×&$A2&=&B$1*$A2)含义 九九乘法表 excel中,if($A2>=B$1,$A2*B$1是什么意思