1.hasil dari 2¼ × 3/4

1.)9/4 x 3/4
=>27/4
2.)7/4:7/8
=>7/4×8/7
=>2
3.)9/4+3,5
=>245+0,35
=>245,35
4.)0,75-1/4
=>0,75-0,25
=>0,50
5.)13,5:9/2
=>13,5/10 : 45/10
=>13,5/10 x 10/45
=>2,7/9 x 10/10
=>27/90
=>3/10 atau 3,0
6.)12/5 x 25%
=>240/100 x 25/100
=>3/20 x 10/10
=>30/100
=>30%
sorry klo salah…