Hi Everybody

i do not why today i received an excel file and i tried to divide the results of 2 cells and i get always 7 for all the numbers on the 2 columns
see screen shot

the funny thing is if i open a new excel file and i copy and paste such number date it make the same mistake indeed if i open a new excel file and key in the data number it gives me the correct result

how to solve it

thank you

PS i have the latest version (autoupdate) of Excel on MacAir

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