Question

-12-8+7= 9-16-3= 25-28-7= -7-15-21= 6-14+8= -9-7+11= dau coroana la cei care raspun

Answer 1

-12-8+7=-20+7=-13
9-16-3=-7-3=-10
25-28-7=-3-7=-10
-7-15-21=-22-21=-43
6-14+8=-8+8=0
-9-7+11=-16+11=-5

Answer 2

-12-8+7= 7- 20 = -13
 
9-16-3 =  9 - 19 = -10

25-28-7 = 25 - 35 = -10

-7-15-21= - (7+15+21)  = - 43

6-14+8 = (6+8) -14 = 14 - 14 = 0
 
-9-7+11=11 - 16 = -5