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1/4 :[5/4-2/3•(1,5-0,75)]...ajutor....va roog muult..✌

14 542315075ajutorva Roog Muult class=

Răspuns :

1/4 :[5/4-2/3•(1,5-0,75)]=
=
1/4 :[5/4-2/3•(15/10-75/100)]=
=1/4 :[5/4-2/3•(3/2-3/4)]=
=1/4 :(5/4-1+2/4)=
=1/4 :(7/4-1)=
=1/4 :(7-4)/4=
=1/4 :3/4=
=1/4 ×4/3=
=1/3