Question

{ raiz cuadrada de 49*4 + [ (3 +5 x 8) - 3 ( 4 + 8 ) ] }/ 5

Answer 1

$\sqrt{49 x 4 } + [ (3 + 5 x 8) - 3( 4 + 8)] / 5$

{7 x 4 + [3 + 40 -12 - 24]} / 5

{7 x 4 + [ 43 - 36]} / 5

{28 + 7} / 5

35 / 5  = 7