7/13÷9+1/9×6/13的计算过程?
=7/13×1/9+1/9×6/13
=1/9×(7/13+6/13)
=1/9×1
=1/9
望采纳 谢谢~~
这道题你可以先把除以9变成乘以1/9,再用乘法分配律来简便运算
7/13÷9+1/9×6/13
=7/13×1/9+1/9×6/13
=1/9×(7/13+6/13)
=1/9×1
=1/9
解:原式=7/13×(1/9)+1/9×(6/13)
=1/9×(7/13+6/13)
=1/9×1
=1/9
解原式=7/13÷9+1/9×6/13
=7/13×1/9+1/9×6/13
=1/9×(7/13+6/13)
=1/9×13/13
=1/9×1
=1/9
7/13÷9+1/9×6/13
=7/13×1/9+1/9×6/13
=1/9×(7/13+6/13)
=1/9×13/13
=1/9×1
=1/9
aqui te amo。