126又8/9×1又2/7
=(126+8/9)×9/7
=126×9/7+8/9×9/7
=162+8/7
=163又1/7
126又9分之8*1又7分之2
126又9分之8*1又7分之2
數(shù)學(xué)人氣：389 ℃時間：2020-06-24 09:41:56
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