(78÷6+13×9)÷10+7 rezolvarea

Răspuns :

(78÷6+13×9)÷10+7 = 

= (
((78 ÷ 6) + (13 × 9)) ÷ 10) + 7 =

= ( 13 + 117):10 + 7 =

= 130:10+7 = 

 = 20


(78÷6+13×9)÷10+7=
=》(13+117)÷10+7=
=》130÷10+7=
=》13+7=
=》20