Решите 9(цлых)1/5(одна пятая) - у=7(цлых)3/5(три пятых)
Пример.
5(ц.)6/13-с=3(ц.)11/13
С=5(ц.)6/13-3(ц.)11/13
С=4(ц.)19/13-3(ц.)11/13
С=1(ц.)8/13
________________
5(ц.)6/13-1(ц.)8/13=3(ц.)11/13
3(ц.)11/13=3(ц.)11/13
Ц-целых
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