Question

9. Resuelve de adentro hacia afuera
A) 12-[2+(-3-4)-(2+4)]+4
B) 6+[3-(5+4)+6]+5
Buenas noches ayuden me porfavor!

Answer 1

12-[2+(-3-4)-(2+4)]+4
12-[2+(-7)-(+6)]+4
12-[2-13]+4
12-[-11]+4
12+11+4
27


6+[3-(5+4)+6]+5
6+[3-(+9)+6]+5
6+[3-9+6]+5
6+[9-9]+5
6+[0]+5
6+5
11

Answer 2

a) 12-[2+(-3-4)-(2+4)]+4
12-[2+(-7)-(6)]+4
12-[2-7-6]+4
12-[2-13]+4
12-[-11]+4
12+11+4
29
b) 6+[3-(5+4)+6]+5
6+[3-(9)+6]+5
6+[3-9+6]+5
6+[-9+9]+5
6+[0]+5
6+5=11