Question

Thực hiện phép tính

[32-(-15)]+[-12-45]-[15+(-41)-12] 

Answer 1

[32-(-15)]+[-12-45]-[15+(-41)-12] = 28 

'' hok tốt ''

Answer 2

\(\left[32-\left(-15\right)\right]+\left[-12-45\right]-\left[15+\left(-41\right)-12\right]\)

\(=32+15-12-45-15+41+12\)

\(=32-45+41+\left(15-15\right)+\left(12-12\right)\)

\(=28\)