Respuesta :
There are a couple ways this can be written.
4 + 12 x 19 + 24 or 4 + 12(19) + 24
(4 + 12) x (19 + 24) or (4 + 12)(19 + 24)
4 + 12 x 19 + 24 or 4 + 12(19) + 24
(4 + 12) x (19 + 24) or (4 + 12)(19 + 24)