12.35*37-123.5*1.9+1.235*820用简便方法计算
问题描述：
12.35*37-123.5*1.9+1.235*820用简便方法计算
答
12.35*37-123.5*1.9+1.235*820=12.35*(37-19+82)=12.35*100=1235
12.35*37-123.5*1.9+1.235*820用简便方法计算
12.35*37-123.5*1.9+1.235*820=12.35*(37-19+82)=12.35*100=1235