Question

4+5-{3+2-[3+3-(4+9)]} = ?​

Answer 1

Respuesta:

4+5−(3+2−(3+3−(4+9)))

=9−(3+2−(3+3−(4+9)))

=9−(5−(3+3−(4+9)))

=9−(5−(6−(4+9)))

=9−(5−(6−13))

=9−(5−(−7))

=9−12

=−3