Question

a) 6+[5+(7+2)]=
b) 8+[4-(3+5)]=
c) 10-[6+(2+7)]=
d) 15-[10-(8+4)]=
f)12-[17-(2-10)]=
g) (-6)+[5+(2-12)]=
h) (-7)-[3-(4-9)]=​​

Answer 1

Explicación paso a paso:

A)6+[5+(7+2)]=

6+[5 + 9]

6+ [ 14]

20

B)8+[4-(3+5)]=

8+ [4 - 8]

8+ (-4)

8 - 4

4

C) 10-[6+(2+7)]

10 - [ 6 + 9]

10 - 15

-5

D)15-[10-(8+4)]=

15- [10 - 12]

15- (-12)

15 + 12

27

E)12-[17-(2-10)]=

12 - 17 - (-8)

12 - 17 + 8

- 5 + 8

3

F) (-6)+[5+(2-12)]=

-6 +5 + (-10)

-6 +5 - 10

-1 - 10

-11

G) (-7)-[3-(4-9)]=

-7 - 3 - ( - 5)

-7 - 3 + 5

-10 + 5

-5