
35.6×35.6-35.5×35.7的简便计算?
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35.6x35.6-35.5x35.7
=35.6x35.6-(35.6-0.1)x(35.6+0.1)
=35.6x35.6-(35.6x35.6-0.1x0.1)
=35.6x35.6-35.6x35.6+0.1x0.1
=0.1x0.1
=0.01
=35.6x35.6-(35.6-0.1)x(35.6+0.1)
=35.6x35.6-(35.6x35.6-0.1x0.1)
=35.6x35.6-35.6x35.6+0.1x0.1
=0.1x0.1
=0.01
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