3.75*4.23*36-125*0.423*3.8
问题描述：
3.75*4.23*36-125*0.423*3.8
一小时内我有急用啊
答
=3.75*4.23*36-1.25*4.23*38
=1.25*4.23*108-1.25*4.23*38
=4.23*1.25*(108-38)
=4.23*1.25*70
=370.125