Respuesta :
2 + {8 - 2 [ 32 + 5(1 + 2)]}
2 + { 8 - 2 [ 32 + 5(3)]}
2 + { 8 - 2 [ 32 + 15 ]}
2 + { 8 - 2 [ 47]}
2 + { 8 - 94 }
2 + (- 86)
2 - 86
-84 <==
===============
276 - 35d
276 -- total number of pages in the book
35 -- number of pgs read in one day
35d -- number of pgs she has read during d days
2 + { 8 - 2 [ 32 + 5(3)]}
2 + { 8 - 2 [ 32 + 15 ]}
2 + { 8 - 2 [ 47]}
2 + { 8 - 94 }
2 + (- 86)
2 - 86
-84 <==
===============
276 - 35d
276 -- total number of pages in the book
35 -- number of pgs read in one day
35d -- number of pgs she has read during d days