Ответ:
8/21 ÷ 16/27 = 8/21×27/16=1/7*9/2=9/14-3/14=6/14=3/7
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Ответ:
8/21 ÷ 16/27 = 8/21×27/16=1/7*9/2=9/14-3/14=6/14=3/7