4.87*24+11.6*48.7-400*0.487怎样简便计算

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4.87*24+11.6*48.7-400*0.487怎样简便计算4.87*24+11.6*48.7-400*0.487怎样简便计算4.87*24+11.6*48.7-400*0.487怎样简便计算4

4.87*24+11.6*48.7-400*0.487怎样简便计算
4.87*24+11.6*48.7-400*0.487怎样简便计算

4.87*24+11.6*48.7-400*0.487怎样简便计算
4.87*24+11.6*48.7-400*0.487
48.7*2.4+11.6*48.7-4*48.7
=48.7(2.4+11.6-4)
=48.7*10
=487

4.87*24+11.6*48.7-400*0.487
48.7*2.4+11.6*48.7-4*48.7
=48.7(2.4+11.6-4)
=48.7*10
=487

4.87*24+11.6*48.7-400*0.487
48.7*2.4+11.6*48.7-4*48.7
=48.7(2.4+11.6-4)
=48.7*10
=487
或者是把487和.改成4.87或0.487觉得那个好算就用那个
希望采纳 谢谢