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¦^´_ 1# petercom

B6=AVERAGE(B2:B5)

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¦^´_ 3# petercom

B6=IF(COUNTA(B2:B5)=0,0,AVERAGE(B2:B5))

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¦^´_ 6# petercom


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¦^´_ 12# petercom

N5=SUM(B5:M5)/COUNTIF(B5:M5,"<>0")

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