Question

Transformați în fracți ordinare:
0,(4); 1,(2); 0,(36); 4,(45);12,(123);0,2(3);0,0(5);1,1(6);3,1(24); 4,1(523);20,1(345)
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Answer 1

0,(4)=4/9
1,(2)=(12-1)/9=11/9;
0,(36)=36/99;
4,(45)=(445-4)/99=441/99
12,(123) = (12123-12)/999 =12111/999
0,2(3)=(23-2)/90=21/90=7/30 0,0(5)=5/90;
1,1(6)=(116-11)/90=105/90=21/18=7/6;
3,1(24)=(3124-31)/990=3093/990=1031/330; 4,1(523)=(41523-41)/9990=41482/9990 ; 20,1(345)=(201345-201)/9990=201144/9990=6748/3330