7/13×6/29+6/13×22/29=?简便方法

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7/13×6/29+6/13×22/29=?简便方法7/13×6/29+6/13×22/29=?简便方法7/13×6/29+6/13×22/29=?简便方法7/13×6/29+6/13×22/29=(

7/13×6/29+6/13×22/29=?简便方法
7/13×6/29+6/13×22/29=?
简便方法

7/13×6/29+6/13×22/29=?简便方法
7/13×6/29+6/13×22/29
=(7×6+6×22)÷(13×29)
=6×(7+22)÷(13×29)
=6/13