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calculeaza:(9×99-99:9)-[(83-27:9)×10+2×35]

Răspuns :

(9x99-99:9)-[(83-27:9)x10+2x35]=
(891-11)-[(83-3)x10+70]=
880-(80x10+70)=
880-(800+70)=
880-870=10
(9*99-99/9)-[(83-27/9)*10+2*35=
(891-11)-[(83-3)*10+2*35=
880-(80*10+2*35)=
880-(800+70)=
880-870=10