1. 3 3/4 - 1,6 x 15 persen.. 2. 4/5 x 1/2 + 3/4 = 3.60 persen : 1 1/2=

1. 3 3/4 - 1,6 x 15%
= 3 3/4 - 1,6 x 0,15
=3,75 - 0,24
= 3,51

2. 4/5 x 1/2 +3/4
= 2/5 + 3/4
=8/20 + 15/20
= 23/20
=1 3/20

3. 60% dari 11/2
=60/100 x 11/2
=660/200
=33/10
=3 3/10

1. 15/4 - 16/10 x15/100 = 15/4 -240/1000 = 15/4 -12/50 = 375/100 - 24/100 = 351/100

2. 4/5 x1/2 +3/4 = 4/10 + 3/4 = 8/20 + 15/20 = 23/20 = 1 3/20

3. 60/100 : 3/2 = 120/300 =4/10