Resposta :
→ Cálculo :
[tex]\large{ \ {\boxed { \begin{array}{lr} {2+(3+4)^{2} \div7\times4= } \\ \\ {2+7^{2}\div7\times4 =}\\\\{2+7\times4=}\\\\{2+28=}\\\\\boxed{\red{ \: \: 30 \: \: }} \rm \ { \Leftrightarrow} \ Resposta \\ \end{array}}}}[/tex]
[tex]\large{ \ {\boxed { \begin{array}{lr} {2+(3+4)^{2} \div7\times4= } \\ \\ {2+7^{2}\div7\times4 =}\\\\{2+7\times4=}\\\\{2+28=}\\\\\boxed{\red{ \: \: 30 \: \: }} \rm \ { \Leftrightarrow} \ Resposta \\ \end{array}}}}[/tex]