24×1.2×25-598怎么简便计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 04:17:20
![24×1.2×25-598怎么简便计算?](/uploads/image/z/757663-7-3.jpg?t=24%C3%971.2%C3%9725-598%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
24×1.2×25-598怎么简便计算?
24×1.2×25-598怎么简便计算?
24×1.2×25-598怎么简便计算?
24×1.2×25-598
=4×6×1.2×25-600+2
=4×25×6×1.2-600+2
=720-600+2
=122
24×1.2×25-598
=6×1.2×(4×25)-600+2
=7.2×100-600+2
=720-600+2
=122
6乘1.2乘4乘25-600+2