题目内容
123×5.67+8.76×567.
123×5.67+8.76×567,
=1.23×567+8.76×567,
=(1.23+8.76)×567,
=(10-0.01)×567,
=567×10-567×0.01,
=5670-5.67,
=5664.33.
=1.23×567+8.76×567,
=(1.23+8.76)×567,
=(10-0.01)×567,
=567×10-567×0.01,
=5670-5.67,
=5664.33.
练习册系列答案
相关题目