1/7×56又1/6等于多少?

日期:2021-06-28 11:10:48 人气:1

1/7×56又1/6等于多少?

1/7×56又1/6
=1/7x(56+1/6)
=1/7x56+1/7x1/6
=8+1/42
=8又1/42
    A+
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