tolongg dong dibantuu pake cara ya, makasihh

B.1 1/2+40%-0,3:1/9
3/2+2/5-3/10:1/9
15/10+4/10-3/10:1/9
16/10:1/9
16/10x9/1
144/10=14 2/5
C.1 1/2x40%+0,3:1/9
(3/2x2/5)+(3/10:1/9)
3/5+27/10
6/10+27/10
33/10=3 3/10
D.1 1/2:40%-0,3x1/9
(3/2:2/5)-(3/10x1/9)
15/4-1/30
225/60-2/60
165/60=2 3/4
E.1 1/2+40%x0,3:1/9
(3/2+2/5)x(3/10:1/9)
19/10x27/10
513/100=5 13/100
F.1 1/2-40%:0,3x1/9
(3/2-2/5):(3/10x1/9)
11/10:1/30
3/11
Maaf jika salah