tolong yg pertama jawab aku kasih best smuanya pke cara

1) 48 (8 : (-2) )
@ 48 (-4)
@ -192

2) (50 : (-10) ) : 5
@ (-5) : 5
@ -1

3) 36 : ((-6) : 3 )
@ 36 : (-2)
@ -18

4) (-60) : ((-8) : (-4) )
@ (-60) : (2)
@ -30

Semoga membantu.. ^_^