4.8×17.4×6.25-37.5×0.174×5.3(5.3是3循环)
=48×17.4×0.625-0.375×17.4×16/3
=120226.2×17.4×0.125-0.125×17.4×16
=(120-16)×0.125×17.4
=104×0.125×17.4
=13×17.4
=226.2
4.8×17.4×6.25-37.5×0.174×5.3(5.3是3循环)
=48×17.4×0.625-0.375×17.4×16/3
=120226.2×17.4×0.125-0.125×17.4×16
=(120-16)×0.125×17.4
=104×0.125×17.4
=13×17.4
=226.2