Question

resolver 1) 82- { 3+(15-3) + (1-2)} 2) -20 {-2 +6 ÷2}-4. 3) -8 - {5-[6-4×-3:-6+5-2]+7}-6:3​

Answer 1

1)

82-(3+(15-3)+(1-2))

82-(3+12-1)

82-(14)

82-14

68

2)

-20(-2+6÷2)-4

-20(-2+3)-4

-20(1)-4

-20-4

-24

3) no se lo de 3:-6 y -6:3