Question

Va rog! Tot ex. 22! Va dau 6p+coroana!

Answer 1

a) -11+14-18+22-8=
3-18+22-8=
-15+22-8=
7-8= -1

b) -21+44-58+13=
23-58+13=
-35+13= -22

c) 15-24-17+4-8+13=
-9-17+4-8+13=
-26+4-8+13=
-22-8+13=
-30+13= -17

d) -(-7)-(+5)+(-12)=
7-(+5)+(-12)=
2+(-12)= -10

e) 9-(6-9)+(-8+12)-(-3)=
9-(-3)+4+3=
9+3+4+3=19

f) 8-[5-(12-17)]=
8-[5-(-5)]=
8-(5+5)=
8-10= -2

g) 17-[2-(-6+15)]=
17-[2-(+9)]=
17-(-7)=
17+7=24

h) 47+[-14+(17-53)]=
47+[-14+(-36)]=
47+(-50)= -3