cara menghitungnya no 4 smaa 5 aja

4.-6 +(15 : (-3)) - 2 x (-4)
= -6 + (-5) - (-8)
= -6 + (-5) + 8
= -11 + 8 = 3

5. -48 - (-24) : (-8 +2 ) x 3
= -48 + 24 : -6 x 3
= -48 + 24 : -18
=nggak ada jawabannyaa 24 : 18 nggak bisa