Question

301×72-72用最简便的方法？

Answer 1

解：原式=72×(301-1)
=72×300
=21600

Answer 2

这么简单的题……

301×72-72
=（301-1）*72
=300*72
21600

Answer 3

301*72-72=（301-1）*72=300*72=21600

Answer 4

72*（301-1）=72*300=72*3*100=21600

Answer 5

（301-1）x72
=300x72
=21600