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3.26*5.7-3.26*0.7脱式简便计算
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3.26*5.7-3.26*0.7 脱式简便计算
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答案和解析
3.26*5.7-3.26*0.7
=3.26x(5.7-0.7)
=3.26x5
=16.3
=3.26x(5.7-0.7)
=3.26x5
=16.3
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