Jawapan

2015-10-10T11:19:43+08:00
= 10 1/2 X 5 - 1/2 X (5/2)^3

= 21/2 X 5 - 1/2 X (125/8)

= 105/2 - 125/16

= 840/16 - 125/16

= 715/16

= 44 11/16
2015-10-10T21:08:44+08:00
Jawapanya ialah 44/11/16 sahaja