发布网友 发布时间:2022-04-23 17:03
共3个回答
热心网友 时间:2023-10-10 02:48
78×78/79
=(79-1)×78/79
=79×78/79-1×78/79
=78-78/79
=77又79分之1
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热心网友 时间:2023-10-10 02:48
78×78/79用简便计算
=(79-1)x78/79
=79x78/79-78/79
=78-78/79
=77又1/79
热心网友 时间:2023-10-10 02:49
78×78/79
=(79-1)×78/79
=79×78/79-78/79
=78-78/79
=77又1/79