Question

salut cine ma poate ajuta si pe mine la niste ex la mate
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Answer 1

3. d) 5+(-3+2) =5+2+2=9

4. a) 8+(-6) +(4-5) =2+(-1) =1

5. a) -3+(-5) -(-8) +(+3) -(+7) =-8+8-3-7 =6

b) 8-(-6+2) +(-4-5) -(-3+9) =12-1+12=23

c) -(-3) +(-7-3) -(7-15) +(-8+2-5) =3-4-8-5=-14

Answer 2

Răspuns:

d)5+(-3+2)=4

-9+(6-15)= -18

+(-4+2)+(-6)= -8

-(-9-3)-(+15)= -3

-6+(-8+11)= -3

+(-9-5)-(7-9)= -12

4.a) 8+(-6)+(4-5)=1

-3-(+2)-(-3-4)=1

-9+(-2+6)-(-7)=2

-(-3)-(2-7)+(-6)=2

-(+8)-(-2+9)+(-5+2)= -18

-(-4-2)+(-8+9)-(+13)= -6

5.a)3+(-5)-(-8)+(+3)-(+7)=2

b)8-(-6+2)+(-4-5)-(-3+9)= -3

c)-(-3+(-7-3)-(7-15)+(-8+2-5)=16