99.99*22.22+33.33*33.34的简便运算?_数学解答

99.99*22.22+33.33*33.34的简便运算?

人气：339 ℃　时间：2020-03-15 22:51:23

解答

99.99*22.22+33.33*33.34
=33.33*66.66+33.33*33.34
=33.33*(66.66+33.34)
=33.33*100
=3333