Question

Calculeaza: a) (-5) + (-7) - (+8) - (-11)-(-19)= b)(-10+15)-[-(-40)+(-25)-(-34)+(-22)]= c)24:{[30+(-6)•(-5)]:60+2}+15:[(-3)•(-1)]=​

Answer 1

Răspuns:

A. (-5)+(-7)-(+8)-(-11)-(-19)=

12-8+11+19=

4+11+19=

=34

B. (-10+15)-[-(-40)+(-25)-(-34)+(-22)]=

5-[-(-65)+34-22]=

5-(65+34-22)=

5-99-22=

-94-22=

=-116

C. 24:{[30+(-6)•(-5)]:60+2}+15:[(-3)•(-1)]=

24:[(30+30):60+2]+15:3=

24:(60:60+2)+5=

24:3+5=

8+5=

=13

Answer 2

a)36

b)-116

c) rasp core