24×1.2×25-598怎么简便计算?
问题描述：
24×1.2×25-598怎么简便计算?
答
6乘1.2乘4乘25-600+2
答
24×1.2×25-598
=6×1.2×（4×25）-600+2
=7.2×100-600+2
=720-600+2
=122
答
24×1.2×25-598
=4×6×1.2×25-600+2
=4×25×6×1.2-600+2
=720-600+2
=122