11*40+89*48+8*11简便方式计算_数学解答

11*40+89*48+8*11简便方式计算

人气：494 ℃　时间：2020-02-03 13:07:33

解答

11*40+89*48+8*11
=11*40+8*11+89*48
=11*(40+8)+89*48
=11*48+89*48
=48*(11+89)
=48*100
=4800