0.8*25*1.25*0.4(简算)
问题描述:
0.8*25*1.25*0.4(简算)
答
=(0.8*1.25)*(25*0.4)
=1*10=10
0.8*25*1.25*0.4(简算)
=(0.8*1.25)*(25*0.4)
=1*10=10