(301-1456/26)×32=(301-56)×32=245×32
=245×2×16
=490×16
=(500-10)×16
=500×16-10×16
=8000-160=7840
简便方法如下：(301-1456/26)×32=(301-56)×32=245×32=245×2×16=490×16=(500-10)×16=500×16-10×16=8000-160=7840
