0.125*78+12.5%*23-1/8=?(用简便方法计算)
问题描述:
0.125*78+12.5%*23-1/8=?(用简便方法计算)
答
=0.125*78+0.125*23-0.125
=0.125*(78+23-1)
=0.125*100
=12.5