Question

afalativaloarea expresiei a+(-38)+(-65)+b pentru a) a=28, b=-25 b) a =-85, b=-12

Answer 1

a+(-38)+(-65)+b pentru a) a=28, b=-25
28+(-38)+(-65)+(-25)=
=28-38-65-25=
=-10-65-25=
=-75-25=
=-100

b) a =-85, b=-12
-85-38-65-12=
=-123-65-12=
=-188-12=
=-200