Ayuda EFECTUAR porfa256 - [( 5 + 3) - (4 - 2) + 3 ] + { 15 - [(7 + 4) - (13 - 10)]} - 2347 + [10 - {5 - (6 + 4)}] - [15 + (4 - 3) + (18 - 2)] - 29?

1. - Efectuar :

256 - [( 5 + 3) - (4 - 2) + 3 ] + { 15 - [(7 + 4) - (13 - 10)]} - 234

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BCalcular%5C%3Ala%5C%3Aexpresion%5C%3Aentre%5C%3Aparentesis%7D%5C%3A%5Cleft%5B%5Cleft%285%2B3%5Cright%29-%5Cleft%284-2%5Cright%29%2B3%5Cright%5D%5C%3A%3A%5Cquad%209%0A%0A%3D256-9%2B15-%5Cleft%5B%5Cleft%287%2B4%5Cright%29-%5Cleft%2813-10%5Cright%29%5Cright%5D-234%0A%0A%5Cmathrm%7BCalcular%5C%3Ala%5C%3Aexpresion%5C%3Aentre%5C%3Aparentesis%7D%5C%3A%5Cleft%5B%5Cleft%287%2B4%5Cright%29-%5Cleft%2813-10%5Cright%29%5Cright%5D%5C%3A%3A%5Cquad%208%0A%0A%3D256-9%2B15-8-234%0A%0A%5Cmathrm%7BSumar%5C%3Ay%5C%3Arestar%5C%3A%5Cleft%28de%5C%3Aizquierda%5C%3Aa%5C%3Aderecha%5Cright%29%7D%5C%3A256-9%2B15-8-234%5C%3A%3A%5Cquad%2020%0A%0A%3D20%0A%0A" />

2.

- Efectuar :

7 + [10 - {5 - (6 + 4)}] - [15 + (4 - 3) + (18 - 2)] - 29

<img src="https://tex.z-dn.net/?f=%3D7-5-%5Cleft%5B15%2B%5Cleft%284-3%5Cright%29%2B%5Cleft%2818-2%5Cright%29%5Cright%5D-29%0A%0A%3D7-5-%5Cleft%5B15%2B%5Cleft%284-3%5Cright%29%2B%5Cleft%2818-2%5Cright%29%5Cright%5D-29%0A%0A%3D-59%0A" />.