4.5*10.1简便算法,0.125*25*32简便算法这两道_数学解答

4.5*10.1简便算法,0.125*25*32简便算法这两道

人气：164 ℃　时间：2020-04-13 12:53:50

解答

4.5*10.1
=4.5*(10+0.1)
=4.5*10+4.5*0.1
=45+0.45
=45.45
0.125*25*32
=0.125*8*25*4
=1*100
=100