369×886+342×123 用简便计算
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369×886+342×123 用简便计算
369×886+342×123 用简便计算
369×886+342×123 用简便计算
369×886+342×123
=369×886+342/3×369
=369×886+114×369
=369×(886+114)
=369×1000
=369000
369*886+342*123
=369*886+(114*3)*123
=369*886+114*123*3
=369*886+369*114
=369(886+114)
=369*1000
=369000