Question

cuanto es 12-20, -30-(-10), 2-3-10, 22-20-20, 10-(-50) y -25-(-25)​

Answer 1

12 - 20 = -8,

-30 - (-10)= -30 +10 = -20,

22 - 20 -20 = -18,

10 - (-50) =  10 + 50 = 60,

-25 - ( -25) = -25 + 25 = 0.