找规律101+102+103+104+105=

日期:2021-06-25 06:00:37 人气:1

找规律101+102+103+104+105=

①101+102+103+104+105
=(101+2)+(102+1)+103+103+103
=103+103+103+103+103
=103×5;
②11+13+15+17+19+21+23
=(11+23)+(13+21)+(15+19)+17
=34+34+34+17
=34×3+17
=(11+23)×3+17
故答案为:103,5;11,23,17.
    A+
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