(3/7-1/13)x7-6÷13简便计算
问题描述：
(3/7-1/13)x7-6÷13简便计算
答
(3/7 - 1/13)× 7 - 6÷13
= 3 - 7/13 - 6/13
= 3 - 1
= 2
答
(3/7-1/13)×7-6÷13
=3-7/13-6/13
=3-(7/13+6/13)
=3-1
=2;