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Rezolvati:(9×99-99:9)-[(83-27:9)×10+2×35]:3

Răspuns :

(891-11)-[(83-3)x10+70]:3=880-(80x10+70]:3=880-(800+70):3=880-870:3=880-290=590
(9x 99  -  99:9)  - [(83 - 27:9) x 10 + 2x35 ] : 3 = 891-11 - [(83 - 3) x 10 + 70] :3
880 - (80x10 + 70) : 3 = 880 - (800 + 70):3 = 880 - 870:3 = 880 - 290 = 590