Jawabanmu

2014-08-08T01:11:41+07:00
7/10 x 5/10 = 7/20
34/10 x 6/10 = 102/50 = 51/25
71/10 x 25/10 = 71/4
67/10 x 45/10 = 603/20
82/10 x 64/10 = 41/5 x 32/5 = 1312/25