Question

52-[2-3 {4+ (7-8) −2+7} - 4]​

Answer 1

Answer:

=78

Step-by-step explanation:

52−(2−3(4+7−8−2+7)−4)

=52−(2−3(4+−1−2+7)−4)

=52−(2−3(3−2+7)−4)

=52−(2−3(1+7)−4)

=52−(2−(3)(8)−4)

=52−(2−24−4)

=52−(−22−4)

=52−(−26)

=78