Ответ:
3,9(12)=3,9(12)×10=39,(12)=39 12/99=39 12/99÷10=3.873/990=1.291/330=3 301/330.
0,7(72)=0,7(72)×10=7,(72)=7 72/99=7 72/99÷10=765/990=153/198.
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Ответ:
3,9(12)=3,9(12)×10=39,(12)=39 12/99=39 12/99÷10=3.873/990=1.291/330=3 301/330.
0,7(72)=0,7(72)×10=7,(72)=7 72/99=7 72/99÷10=765/990=153/198.