tolong bantu kak nanti saya like dan follow pakek cara

16. 2,8 km + 3.550m - 432 dam =... m
2,8 (1000) + 3.550 - 432 ( 10) =
2.800 + 3.550 - 4320 = 2030 m
17. 07.30 -> 09.00 = 1,5 JAM
= 1,5 × 60 = 90menit
18. 3/4 abad - 5 windu =
3/4 ×100 - 5 (8)=
75 - 40 = 35 tahun