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trolololollol
@trolololollol
July 2022
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Решите уровнение:
7(целая часть) 7/30(дробь)
7 7/30-(5 11/30-у)=3 19/30
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TigerYa
Verified answer
7 ц7/30- (5 ц11/30-у)=3 ц19/30;7 ц 7/30-5 ц11/30+у=3 ц19/30;У=3ц19/30+5 ц11/30-7ц 7/30;У= 109/30+161/30-217/30; у=109+161-217///30; у=53/30; у=1ц 23/30;Проверка: 7ц 7/30-(5ц 11/30-1ц 23/30)=7ц 7/30-5ц 11/30+1ц 23/30= 217/30-161/30+53/30=217-161+53///30=109/30=3ц 19/30. (/// это одна длиная дробь).
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7 ц7/30- (5 ц11/30-у)=3 ц19/30;7 ц 7/30-5 ц11/30+у=3 ц19/30;У=3ц19/30+5 ц11/30-7ц 7/30;У= 109/30+161/30-217/30; у=109+161-217///30; у=53/30; у=1ц 23/30;Проверка: 7ц 7/30-(5ц 11/30-1ц 23/30)=7ц 7/30-5ц 11/30+1ц 23/30= 217/30-161/30+53/30=217-161+53///30=109/30=3ц 19/30. (/// это одна длиная дробь).