按条件汇总B列为空,求A列的和
sum(a2{len(b2)=0})/*求和*/
count(a2{len(a2)=0})/*计数*/
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count(a2{b2="A"})/*计数*/
count(a2{b2="B"})/*计数*/
count(a2{b2="C"})/*计数*/
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=sum(b2:b100)
=count(b2:b100)
求和与计数的
如果是扩展出来的
=sum(b2)
=count(b2)