用简便方法计算．88.88×11.11+44.44×77.78．_数学解答

用简便方法计算．
88.88×11.11+44.44×77.78．

人气：256 ℃　时间：2019-10-20 00:17:37

解答

88.88×11.11+44.44×77.78，
=22.22×44.44+44.44×77.78，
=（22.22+77.78）×44.44，
=100×44.44，
=4444；