Question

a) 5- [1 + (-4 + 3) + 6) =_
b) (10-(-1) + (-4)] +18 =
c) (5 - [12 + (-4) + (-3)] + 9 =
d) 25 - [(-11) + (-8) + 6) =
e) 5- [[1 + (-4)] + 6) =
1)-9-[3+ (-2 + 3) +6] =
9) {[(18 - 3) + (7 + 5) - 2] + 5) - 12 =
h) 45 H15 -[(10-8) + (7-4) - 3] - 4) =_​

Answer 1

Resposta:

Explicação passo-a-passo:

A) 5-[1+(-4+3)+6]=

5-[1-1+6]=

5-6=

-1

B) [10-(-1)+(-4)]+18=

[10-(-5)]+18=

5+18=

23

C) 5-[12+(-4)+(-3)]+9=

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

5-5+9=

9

D) 25-[(-11)+(-8)+6]=

25-[(-18)+6]=

25+13=

38

E) 5-[1+(-4)]+6=

5+3+6=

14

F) -9-[3+(-2+3)+6]=

-9-[3+1+6]=

-9-10=

-19

G) {[(18-3)+(7+5)-2]+5}-12=

{[15+12-2]+5}-12=

{25+5}-12=

30-12=

18