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1231204
@1231204
July 2021
1
17
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вычислите : ( 20 16/25+13 9/25 )-( 23 4/14 + 7 13/14)
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Катя20007
1)20 16/25+13 9/25=33 25/25=34
2)23 4/14+7 13/14=30 17/14=31 3/14
3)34-31 3/14=33 14/14-31 3/14=2 11/14
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2)23 4/14+7 13/14=30 17/14=31 3/14
3)34-31 3/14=33 14/14-31 3/14=2 11/14