13. Efetue as adições a seguir. a) 832+165 d) 3628+2406 b) 1367+68 e) 5349+164 c) 2973+127 f) 25+16+135

a) $832+165 = 997$<br />b) $1367+68 = 1435$<br />c) $2973+127 = 3100$<br />d) $3628+2406 = 6034$<br />e) $5349+164 = 5513$<br />f) $25+16+135 = 176$<br /><br />Portanto, as respostas corretas são:<br />a) $997$<br />b) $1435$<br />c) $3100$<br />d) $6034$<br />e) $5513$<br />f) $176$