A1
countif(a1:b2,a1:
COUNTIF(A1:D30,A1:
已知:a1
ecxel "A1:
已知a1
=AND(ISNUMBER(A1),A1
EXCLE中如何表达:A1〉1000 A1*0.3 A1〉1500 A1*0.35 A1〉2000 A1*0.45 A1
分子 =LEFT(A1,FIND("/",A1)-1) 分母 =RIGHT(A1,LEN(A1)-FIND("/",A1
=LEFT(A1,LENB(A1)-LEN(A1)) =RIGHT(A1,LEN(A1)*2-LENB(A1)) 是用来
excel表格 假如a1大于等于10000 a1*0.5 A1大于等于20000 a1*0.8 A1小于10000 A1
计算A1的数值,当A1
等比数列{an}中,“a1