Question

ajutati ma la astea , va roggg , ofer coroana !!!
a ) 8 + ( - 6 ) + ( 4 - 5 )
b ) + 9 + ( - 2 + 6 ) - ( - 7 )
c ) 10 + ( + 4 ) + ( - 1 + 5 ) - ( - 9 - 3 )
d ) + 7 - ( - 3 + 11 ) + ( - 9 + 7 ) - ( - 4 )
e ) - 10 + ( - 3 ) - ( - 9 + 2 ) - ( - 3 + 1 )
f ) - ( - 4 - 2 ) + ( - 8 + 9 ) - ( + 13 )

Answer 1

Răspuns:

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

b)9+(-2+6)-(-7)=9+4-(-7)=20

c) 10+(+4)+(-1+5)-(-9-3)=14+4-(-12)=18-(-12)=30

d)+7-(-3+11)+(-9+7)-(-4)=7-8+(-2)-(-4)=1

e) -10+(-3)-(9+2)-(-3+1)=-13-11-(-2)=-24-(-2)=-22

f) -(-4-2)+(-8+9)-(+13)=6+1-(+13)=-6

Explicație pas cu pas:

Sper sa fie bn, si sa te ajute!

SUCCES

Answer 2

a) 8+(-6)+(4-5)
8-6-1
1
b) +9+(-2+6)-(-7)
13-(-7)
20
c) 10+(+4)+(-1+5)-(-9-3)
18-(-9-3)
18+12
30
d) +7-(-3+11)+(-9+7)-(-4)
-1+(-2)-(-4)
+1
e)-10+(-3)-(-9+2)-(-3+1)
-6-(-3+1)
-4
f) -(-4-2)+ (-8+9)-(+13)
10