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256 - [( 5 + 3) - (4 - 2) + 3 ] + { 15 - [(7 + 4) - (13 - 10)]} - 234
7 + [10 - {5 - (6 + 4)}] - [15 + (4 - 3) + (18 - 2)] - 29
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1.-Efectuar:
256 - [( 5 + 3) - (4 - 2) + 3 ] + { 15 - [(7 + 4) - (13 - 10)]} - 234
![\mathrm{Calcular\:la\:expresion\:entre\:parentesis}\:\left[\left(5+3\right)-\left(4-2\right)+3\right]\::\quad 9
=256-9+15-\left[\left(7+4\right)-\left(13-10\right)\right]-234
\mathrm{Calcular\:la\:expresion\:entre\:parentesis}\:\left[\left(7+4\right)-\left(13-10\right)\right]\::\quad 8
=256-9+15-8-234
\mathrm{Sumar\:y\:restar\:\left(de\:izquierda\:a\:derecha\right)}\:256-9+15-8-234\::\quad 20
=20](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+9%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+8%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+20%0A%0A%3D20%0A%0A "\mathrm{Calcular\:la\:expresion\:entre\:parentesis}\:\left[\left(5+3\right)-\left(4-2\right)+3\right]\::\quad 9
=256-9+15-\left[\left(7+4\right)-\left(13-10\right)\right]-234
\mathrm{Calcular\:la\:expresion\:entre\:parentesis}\:\left[\left(7+4\right)-\left(13-10\right)\right]\::\quad 8
=256-9+15-8-234
\mathrm{Sumar\:y\:restar\:\left(de\:izquierda\:a\:derecha\right)}\:256-9+15-8-234\::\quad 20
=20")
2.-Efectuar:
7 + [10 - {5 - (6 + 4)}] - [15 + (4 - 3) + (18 - 2)] - 29
![=7-5-\left[15+\left(4-3\right)+\left(18-2\right)\right]-29
=7-5-\left[15+\left(4-3\right)+\left(18-2\right)\right]-29
=-59](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 "=7-5-\left[15+\left(4-3\right)+\left(18-2\right)\right]-29
=7-5-\left[15+\left(4-3\right)+\left(18-2\right)\right]-29
=-59")
256 - [( 5 + 3) - (4 - 2) + 3 ] + { 15 - [(7 + 4) - (13 - 10)]} - 234
2.-Efectuar:
7 + [10 - {5 - (6 + 4)}] - [15 + (4 - 3) + (18 - 2)] - 29
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