13.1*3.14+314*0.715+1.54*31.4
问题描述:
13.1*3.14+314*0.715+1.54*31.4
利用因式分解计算
答
13.1*3.14+314*0.715+1.54*31.4
=3.14(13.1+71.5+15.4)
=3.14*100
=314