Question

Pls
Cocoroana!
25 de puncte ​

Answer 1

Explicație:

0,3=3/10

0,31=31/100

0,6=6/10

12,5=125/10

2,512=2512/1000

0,(4)=4/9

0,(47)=47/99

1,(6)=16-1/9=15/9

12,(5)=125-5/9=120/9

2,(512)=2512-2/999=2510/999

0,8(5)=85-8/9=77/9

0,7(31)=731-7/99=724/99

1,2(6)=126-12/9=114/9

2,4(512)=24512-24/999=24488/999

12,0(2)=1202-120/9=1082/9