Question

el valor de : 2+[3-5(4-7(3)+4)]5-8

Answer 1

2 + [ 3-5 .(4-7 . 3 + 4)] . 5 -8 =
2 + [ 3-5 . (4 - 21 + 4)] . 5 - 8 =
2 + [ 3 -5 . -13] . 5 - 8 =
2 + [ 3 - (-65)] . 5 - 8 =
2 + [ 3 + 65 ] . 5 -8  = (Aplicamos supresión de paréntesis)
2 + 68 . 5 - 8  =
2 + 340 - 8 =
342 - 8 =
334

Answer 2

:2+[3-5(4-7(3)+4)]5-8
2+[3-5(4-21+4)]5-8
2+[3-5(-13)]5-8
2[3+(65)]5-8
2+[68].5-8

2+340-8
342-8=334