Question

[2²+7-(3-6)²]-2*5-[8+(2-4+6÷3)+3*-1]=​

Answer 1

[2²+7-(3-6)²]-2*5-[8+(2-4+6÷3)+3*-1]=

=4+7−(3−6)²−(2)(5)−(8+2−4+6÷3+(3)(−1))

=11−(3−6)²−(2)(5)−(8+2−4+6÷3+(3)(−1))

=11−(−3)²−(2)(5)−(8+2−4+6÷3+(3)(−1))

=11−9−(2)(5)−(8+2−4+6÷3+(3)(−1))

=2−(2)(5)−(8+2−4+6÷3+(3)(−1))

=2−10−(8+2−4+6÷3+(3)(−1))

=−8−(8+2−4+6÷3+(3)(−1))

=−8−(8+−2+6÷3+(3)(−1))

=−8−(8−2+2+(3)(−1))

=−8−(8+0+(3)(−1))

=−8−(8+(3)(−1))

=−8−(8+−3)

=−8−5

=−13