Question

-45:(-16÷21-13)-3(-7+3)+12
coon procedimiento porfasssss

Answer 1

$\huge\red {\mid {\fbox{\tt {Hola}}\mid}}$

-45:(-16÷21-13)-3(-7+3)+12

=−45/−289/21−3(−7+3)+12

=945/289−3(−7+3)+12

=945/289−(3)(−4)+12

=945/289−(−12)+12

=4413/289+12

=7881/289