4.5*10.1简便算法0.125*25*32简便算法两道,
问题描述:
4.5*10.1简便算法
0.125*25*32简便算法两道,
答
0.125*25*32
=4.5×(10+0.1)
=4.5×10+4.5×0.1
=45+0.45
=45.45
答
简单: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=1/8*32*25=4*25=100
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
=0.125×25×8×4
=(0.125×8)×(25×4)
=1×100
=100