Question

(21) ÷[16+(-13) ]+(-5)​

Answer 1

21 ÷ [16 + (-13)] + (-5)

= 21 ÷ [16 - 13] - 5

= 21 ÷ 3 - 5

= 7 + 5

= 2

Answer 2

$\fcolorbox{red}{aqua} { \red{ </p><p>Solution:-}}$

$= > 21 \div( 16 + ( - 13)) + ( - 5) \\ \\ = > 21 \div (16 - 13) - 5 \\ \\ = > 21 \div 3 - 5 \\ \\ = > 7 - 5 \\ \\ = > 2$

$\fbox{\red{i \: hope \: it \: helps \: you.}}$