Bogboss011go Bogboss011go Matematică Respondido 8. Calculați: b) (-3+8)-(-9); d) 8 (-15)-(5-10).(-6); a)-5-(-12)+7-(-10); c) (8-11)-(7-5); e) (5-7-9).(7-9-12); (-2022+2021)-(-2020+2019).