6/11一3/10一7/10十7/6?
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6/11-3/10-7/10+7/6?
解:6/11-3/10-7/10+7/6
=6/11+7/6-(3/10+7/10)
=6/11+7/6-1
=36/66+77/66-1
=113/77-1
=36/77。
解:6/11-3/10-7/10+7/6
=6/11+7/6-(3/10+7/10)
=6/11+7/6-1
=36/66+77/66-1
=113/77-1
=36/77。
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