Question

(40-70)-(10-20)
(1-19)-(31-41)
(-45+10)-(-8-0)
Решите срочно дам 25 баллов!!!!!

Answer 1

(40-70)-(10-20)=-30-(-10)=-40
(1-19)-(31-41)=-18-(10)=-28
(-45+10)-(-8-0)=-35-(-8)=-43