Question

2-{3+5-[-12+5-(-3+7)-12]}+32

Answer 1

=2-[8-(-7-4-12)]+32

=2-[8-(-23)]+32

=2-31+32

=-29+32

=3

Answer 2

3

TICK NHA!

Answer 3

=2-{8-[-12+5-3-7+12]}+32

=2-{8-[(-12)+12+5-3-7]+32

=2-{8-[0+5-3-7]+32

=2-{8-(-5)}+32

=2-13+32

=21

Answer 4

@ Bắp gửi tus ạ

2 - {3 + 5 - [-12 + 5 (-3 + 7) - 12] + 32

= 2 - [8 - (-7 - 4 - 12)] + 32

= 2 - [8 - (-23)] + 32

= 2 - 31 + 32

= -29 + 32

= 3