(3/29+1/13)×13×29简算(要过程)

问题描述:

(3/29+1/13)×13×29简算(要过程)

(3/29+1/13)×13×29
=(3/29+1/13)*13*29
=3/29*13*29+1/13*13*29
=39+29
=68