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-5/6-1/6•(2/3)^-2=?
Legendă:
/=supra
- =minus
^ =la puterea
( & ) =paranteză
Repedeeee!!:((


Răspuns :

-5/6-1/6*(2/3)^-2=
-5/6-1/6*9/4=
(acum amplificam cu 4)-5/6-9/24=
-20/24-9/24=
-29/24
-5/6-1/6x(2/3)⁻²=
-5/6-1/6x(3/2)²=
-5/6-1/6x9/4=
-5/6-9/24=
(-5x4-9)/24=
(-20-9)/24=-29/24