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Efectuati10*10-(8*9-14:7-4*5)=

Răspuns :

10*10-(8*9-14:7-4*5)=
=100-(72-2-20)=
=100-(70-20)=
=100-50=50
10*10-(8*9-14:7-4*5)=
100-(72-2-20)=
100-(70-20)=
100-50=
50