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第1个回答 2017-08-19
26×6+25×6-6
=26×6+25×6-6×1
=（26+25-1）×6
=（51-1）×6
=50×6
=300
=26×6+25×6-6×1
=（26+25-1）×6
=（51-1）×6
=50×6
=300
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