tolong dijawab nomor 5 diatas dan 1 sampai 5 yang bagian lll ! tolong pake caranya ya

2. 4 2/3 × p = 8.400
p = 8.400 : 4 2/3
p = 8.400 × 3/14
p = 1.800
3. 1/12 : ( 1/2 - 1/4 ) × 3/8 =
1/12 : ( 2/4 - 1/4 ) × 3/8 =
1/12 : 1/4 × 3/8 =
12/1 × 1/4 × 3/8 =
9/8 = 1 1/8
4. 5 - 3 1/4 = 4 4/4 - 3 1/4
= 1 3/4