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Calculeaza: {8+2×[9+9(7+2×3)]}×2-4×23​

Răspuns :

Răspuns:

{8+2×[9+9×(7+2×3)]}×2-4×23

[8+2×(9+9×13)]×2-92

[8+2×(9+117)]×2-92

(8+2×126)×2-92

(8+252)×2-92

260×2-92

520-92

428

Răspuns:

=[8+2×(9+9×13)]×2-4×23

=[8+2×(9+117)]×2-92

=(8+2×126)×2-92

=(8+252)×2-92

=260×2-92

=520-92

=428