• Asignatura: Matemáticas
  • Autor: aylialexandrita
  • hace 3 años

a +(+9 - 4-7) - (-7-9 + 10) =

e +(+15-10-8 (-4+ 12 + 3) -2

b: -(-30 + 12-13+1)-( 9 -10 + 24)
1-1-(-8 + 1) +(-3-14)-(-7)+(+13)

c 15-(-3-5-8) - (+3-7)+(-7+9)=

g. -(-2+5+ 2) -(4-8) + (-9 - 12) =

d. -(-5+9) - (+7 - 2) - (+4-2-3-7) =

h. -(6-7)+(-9+4)-(-3+2)-(+7+2) =

con procedimiento por fa​

Respuestas

Respuesta dada por: dahianaatehor
1

A) +(+9-4-7) - (-7-9 + 10) =

5-7-(-7-9+7)

5-7-(-16+7)

5-7+9

-2+9

7

E)+(+15-10-8) (-4+ 12 + 3) -2

( 5-8)x(-4+12+3)-2

-3 x (-4+12+3)-2

-3 x (8+3)-2

-3 x 11 -2

-33-2

-35

B)-(-30 + 12-13+1)-( 9 -10 + 24) 1-1-(-8 + 1) +(-3-14)-(-7)+(+13)

-(-18-13+1)-(9-10+24)x1-1-(-8+1)-3-14-(-7)+13

-(-31+1)-(9-10+24)x 1-1-(-8+1)-3-14-(-7)+13

-(-30)-(9-10+24)x 1-1-(-8+1)-3-14-(-7)+13

-(-30)-(-1+24)x 1-1-(-8+1)-3-14-(-7)+13

-(-30)-23x1-1-(-8+1)-3-14-(-7)+13

-(-30)-23-1-1-(-7)-3-14-(-7)+13

-(-30)-23-1-(-7)-3-14-(-7)+13

30-23-1+7-3-14+7+13

7-1+7-3-14+7+13

6+7-3-14+7+13

13-3-14+7+13

10-14+7+13

-4+7+13

3+13

16

C)15-(-3-5-8) - (+3-7)+(-7+9)=

15-(-8-8)-(3-7)-7+9

15-(-16)-(-4)-7+9

15+16+4-7+9

31+4-7+9

35-7+9

28+9

37

G) -(-2+5+ 2) -(4-8) + (-9 - 12) =

-(3+2)-(4-8)-9-12

-5-(4-8)-9-12

-5-(-4)-9-12

-5+4-9-12

-1-9-12

-10-12

-22

D)-(-5+9) - (+7 - 2) - (+4-2-3-7) =

-4-(7-2)-(4-2-3-7)

-4-5-(4-2-3-7)

-4-5-(2-3-7)

-4-5-(-1-7)

-4-5-(-8)

-4-5+8

-9+8

-1

H)-(6-7)+(-9+4)-(-3+2)-(+7+2) =

-(-1)-9+4-(-3+2)-(7+2)

-(-1)-9+4-(-1)-(7+2)

-(-1)-9+4-(-1)-9

1-9+4+1-9

-8+4+1-9

-4+1-9

-3-9

-12

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