(5/12+1/19)×12+7/19 简便计算怎么算?是简便计算
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:2024/08/15 19:33:07
(5/12+1/19)×12+7/19 简便计算怎么算?是简便计算
![(5/12+1/19)×12+7/19 简便计算怎么算?是简便计算](/uploads/image/z/17085694-22-4.jpg?t=%285%2F12%2B1%2F19%29%C3%9712%2B7%2F19+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E6%80%8E%E4%B9%88%E7%AE%97%3F%E6%98%AF%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
(5/12+1/19)×12+7/19
=5/12x12+1/19x12+7/19
=5+(12/19+7/19)
=5+1
=6
=5/12x12+1/19x12+7/19
=5+(12/19+7/19)
=5+1
=6