=IF(AQ2=" "," ",SUM(AK6:AP6))是什么意思?求高手解释,万分感谢!

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=IF(AQ2=" "," ",SUM(AK6:AP6))是什么意思?求高手解释,万分感谢!
=IF(AQ2=" "," ",SUM(AK6:AP6))是什么意思?求高手解释,万分感谢!

=IF(AQ2=" "," ",SUM(AK6:AP6))是什么意思?求高手解释,万分感谢!
AQ2为空值时,值为空,否则为AK6至AP6区域的和