Question

sa se transforme fractiile zecimale in fractii ordinare

a) 2,1(3) ; 3,2(5);4,2(5); 2,1(8); 4,2(4) ; 0,2(3) ; 7,1(15)
b) 3,1(13) ; 4,5(03); 2,0(16); 3,0(24); 1,5(16); 17,3(24)
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Answer 1

Răspuns:

a)2,1(3)=213-21/90=192/90

3,2(5)=325-32/90=293/90

4,2(5)=425-42/90=383/90

2,1(8)=218-21/90=197/90

4,2(4)=424-42/90=382/90

0,2(3)/=23-2/90=12/90

7,1(15)=7115-71/990=7044/990

b)3,1(13)=3113-31/990=3082/990

4,5(03)=4503-45/990=4458/990

2,0(16)=2016-20/990=1996/990

3,0(24)=3024-30/990=2994/990

1,5(16)=1516-15/990=1501/990

17,3(24)=17324-173/990=17151/990