tolong dijawab sm cara no 11-14

1. 20 : 4 = 5 5 x 2 = 10
10 - (-5) = 5
2. 12.00 - 04.00 = 08.00
08.00 x 3 =24
24 - (-12) = 12
3. 50 - 5 = 45 - 6 = 39
39 x 4 = 156

maaf hanya itu
maaf kalau salah