25/31-25/31*99/100

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25/31-25/31*99/10025/31-25/31*99/10025/31-25/31*99/10025/31-25/31*99/100=(25/31)*(1-99/100)=25/31*(1

25/31-25/31*99/100
25/31-25/31*99/100

25/31-25/31*99/100
25/31-25/31*99/100
=(25/31)*(1-99/100)
=25/31*(1/100)
=1/(31*4)
=1/124

25/31-25/31*99/100
=(25/31)*(1-99/100)
=25/31*(1/100)
=1/(31*4)
=1/124

25/31-25/31*99/100
=(25/33)*(1-99/100)
=25/33*(1/100)
=132分之1

25/31-25/31*99/100 =25/31(1-99/100)=25/31*1/100=1/124