Question

(2736-75)-2736

(-2002)-(57-2002)

Answer 1

a) \(\left(2736-75\right)-2736.\)

\(=\left(2736-2736\right)-75.\)

\(=0-75=-75.\)

Vậy..........

b) \(-2002-\left(57-2002\right).\)

\(=-2002-57+2002.\)

\(=\left(-2002+2002\right)-57.\)

\(=0-57=-57.\)

Vậy..........

Answer 2

(2736-75)-2736= 2736-75-2736

= (2736-2736)-75

= 0-75

= -75

(-2002)-(57-2002)= -2002-57+2002

= (-2002+2002)-57

= 0-57

= -57