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200+30×[9×(8+4)÷4]-880÷10

Răspuns :

200+30×[9×(8+4)÷4]-880÷10;
=200+30×(9×12÷4)-88;
=200+30×(9×3)-88;
=200+30×27-88;
=200+810-88;
=1010-88;
=922;
200+30×[9×(8+4)÷4]-880÷10 = 
200 + 30 x [ 9 x12 : 4] - 88 = 
200 + 30 x  27 - 88 =
200 + 810 - 88 =
1010 - 88 = 
922