Olá

[tex]\LARGE{}48 \div 2x \times (2 + 4) \\ \LARGE{}24x \times (2 + 4) \\ \LARGE{}24x \times 6 \\ \LARGE\boxed{144x}[/tex]

[tex]\mathrm{}{\large\boxed{\boxed{  { \large \tt Bons \: \: Estudos}}}}[/tex]

48 : 2 . (2 + 4)

48 : 2 . 6

24 . 6

144