tolong jawab no 1,2,dan 3 beserta cara ny yaa,, tolong,,

1. 48 + (-8) + 10
= 48 - 8 + 10
= 50

2. benar = 36 x 4 = 144
salah = 8 x (-2) = -16
tidak dijawab = 50 - (36 + 8) = 6 x 0 = 0
maka, 144 - 16 + 0 = 128