53*46+71*54+82*54简便计算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/06 00:13:24
53*46+71*54+82*54简便计算
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![53*46+71*54+82*54简便计算](/uploads/image/z/3097247-23-7.jpg?t=53%2A46%2B71%2A54%2B82%2A54%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
53*46+71*54+82*54
=53*46+(71*54+82*54)
=53*46+(71+82)*54
=53*46+153*54
=53*46+(100+53)*54
=53*46+53*54+5400
=53*(46+54)+5400
=5300+5400=10700
=53*46+(71*54+82*54)
=53*46+(71+82)*54
=53*46+153*54
=53*46+(100+53)*54
=53*46+53*54+5400
=53*(46+54)+5400
=5300+5400=10700