4.8×17.4×6.25—37.5×0.174×5. =

2022-09-05 21:17

2022-09-06 01:34
489.375
更多回答
4.8×17.4×6.25—37.5×0.174×5.
= 4.8×17.4×6.25—37.5×17.4×0.05.
=17.4×(4.8×6.25—37.5×0.05)
=17.4×(30—1.875)
=17.4×28.125
=489.375
热门问答