དྲ་མིག་སྟོང་པའི་ནང་ = COUNTBLANK (A1:C3) ནང་འཇུག་བྱས་པ་ལས་ 9ཐོབ།
The group can consist of more than one range, such as countblank (a1:b3,a5:b7).
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