Cara nya yah minta tolong

1). 0,48=48/100
48/100=48:100 =24:50=12:25

2).12/16 × 100%
12/16 × 100/100
=75/100=75%

3).4 2/3 - 1 1/5+ 2 1/2
(4-1+2) + (2/3 - 1/5 +1/2)
5 + (20/30 - 6/30 + 15/30)
5+ 14/30+15/30
5+29/30
=5 29/30

4).471/10-4208/100+6125/1000
=47100/1000-42080/1000+6125/1000
=11145/1000=11 145/1000
=11,145

Semoga membantu :)