
11/16×7/14+7/16×13/14的简便方法?
2个回答
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11/16X7/14+7/16X13/14
=11/16X7/14+13/16X7/14
=(11/16+13/16)X7/14
=24/16X7/14
=3/2X1/2
=3/4
=11/16X7/14+13/16X7/14
=(11/16+13/16)X7/14
=24/16X7/14
=3/2X1/2
=3/4
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