Question

quanto é 200×33+45×22ao quadrado?​

Answer 1

$\large\bm{200 \times 33 + 45 \times {22}^{2} } \\ \\ \large\bm{6600 + 45 \times {22}^{2} } \\\\ \large\bm{6600 + 45 \times 484} \\\\ \large\bm{6600 + 21780} \\\\ \bm{\large\boxed{\boxed{  { \large \bm{ 28380 }}}}} \\\\ \approx2,838 \times {10}^{4}$

${\large\boxed{\boxed{  { \large \bm{ Bons~Estudos} }}}}$