5×0.76×0.4×8×2.5的值是(简便算法)
问题描述:
5×0.76×0.4×8×2.5的值是(简便算法)
答
5×0.76×0.4×8×2.5
=5*8*0.76*(0.4*2.5)
=40*0.76*1
=30.4