Question

-5[7-2-(1-9)-3+12]+4
1-(-3+6+1)-[4-(6-3+1)-2]
6-(9+7-1)-[-3(-5+4+6)-1]
28-[21(12-3)-7
[-2+3.(2-5):3]-[(3-5+2)-2.(3-4)]
8-[6.(3+7)-6]+4

Ayuda porfavor le daría 30 puntos porfavor ayudaaaa

Answer 1

-5[7-2-(1-9)-3+12]+4
-5[5-(-8)+9]+4
-5[5+8+9]+4
-5[+22]+4
-110+4
-106


1-(-3+6+1)-[4-(6-3+1)-2]
1-(+4)-[4-(+4)-2]
1-4-[4-4-2]
1-4-[-2]
1-4+2
-4+3
-1


6-(9+7-1)-[-3(-5+4+6)-1]
6-(+15)-[-3(+5)-1]
6-15 - [-15-1]
-9 - [-16]
-9 +16
+7



28-[21(12-3)-7]
28-[21(9)-7]
28-[189-7]
28-[182
28-182
-154]




8-[6.(3+7)-6]+4
8-[6.(10)-6]+4
8-[60-6]+4
8-[54]+4
8-54+4
8-50
-42