isiin no 1 sampai no 5 yg pinter math jangan asal

1) v1= 20x5x9
=900
v2= 18x5x7
=630
v1+v2= 1530

2) v1= 14x5x15=1050
v2= 10x14x5= 700
v1+v2= 1750

3) v1 30x25x6= 300
v2 8x6x8 = 384
V1+V2= 684