calcule a)10-2-5-(+2)-(-3)=b)18-(-3)-13-1-(-4)=c)5-(-5)+3-(-3)+0-6=d)-28+7+(-12)+(-1)-4-2=e)-21-7-6-(-15)-2-(10)=f)10-(-8)+(-9)-(-12)-(+5= passo A PASSO
Respostas
respondido por:
17
A) 10-2-5-(+2)-(-3)=
10-2-5-2+3=
8-5-2+3=
3-2+3=
1+3=
4
B) 18-(-3)-13-1-(-4)=
18+3-13-1+4=
21-13-1+4=
8-1+4=
7+4=
11
C) 5-(-5)+3-(-3)+0-6=
5+5+3+3+0-6=
10+3+3+0-6=
13+3+0-6=
16-6=
10
D) -28+7+(-12)+(-1)-4-2=
-28+7-12-1-4-2=
-21-12-1-4-2=
-33-1-4-2=
-34-4-2=
-38-2=
-40
E) -21-7-6-(-15)-2-(10)=
-21-7-6+15-2-10=
-28-6+15-2-10=
-34+15-2-10=
-19-2-10=
-21-10=
-31
F) 10-(-8)+(-9)-(-12)-(+5)=
10+8-9+12-5=
18-9+12-5=
9+12-5=
21-5=
16
10-2-5-2+3=
8-5-2+3=
3-2+3=
1+3=
4
B) 18-(-3)-13-1-(-4)=
18+3-13-1+4=
21-13-1+4=
8-1+4=
7+4=
11
C) 5-(-5)+3-(-3)+0-6=
5+5+3+3+0-6=
10+3+3+0-6=
13+3+0-6=
16-6=
10
D) -28+7+(-12)+(-1)-4-2=
-28+7-12-1-4-2=
-21-12-1-4-2=
-33-1-4-2=
-34-4-2=
-38-2=
-40
E) -21-7-6-(-15)-2-(10)=
-21-7-6+15-2-10=
-28-6+15-2-10=
-34+15-2-10=
-19-2-10=
-21-10=
-31
F) 10-(-8)+(-9)-(-12)-(+5)=
10+8-9+12-5=
18-9+12-5=
9+12-5=
21-5=
16
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