Question

quanto é 721 - 343 ??????????

Answer 1

721 - 343 = 378

Pois

721
- 343
———
378

Answer 2

$\color{green}Resolução \\ \begin{gathered} \boxed{ \begin{array}{lr}{  } 6\:11\: 11 \\ \: \: \cancel{72}1 \\ \frac{ - \: 343}{\color{green}378} \large \sf \: \large \sf \large \sf  \: \end{array}} \end{gathered}$

${\huge\boxed { {\bf{E}}}\boxed { \red {\bf{a}}} \boxed { \blue {\bf{s}}} \boxed { \gray{\bf{y}}} \boxed { \red {\bf{}}} \boxed { \orange {\bf{Math}}}}$