24×1.2×25-598怎么简便计算?
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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.
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