计算:4.8×17.4×6.25-37.5×0.174×5.•3=_.
问题描述:
计算:4.8×17.4×6.25-37.5×0.174×5.
=______. • 3
答
4.8×17.4×6.25-37.5×0.174×5.
• 3
=48×1.74×6.25-3.75×1.74×
,16 3
=300×1.74-
×15 4
×1.74,16 3
=300×1.74-20×1.74,
=(300-20)×1.74,
=280×1.74,
=487.2.
故答案为:487.2