13又4/11-(2又2/3-7/11)能简算的要简算
问题描述:
13又4/11-(2又2/3-7/11)能简算的要简算
答
13又4/11-(2又2/3-7/11)
=13又4/11-2又2/3+7/11
=13又4/11+7/11-2又2/3
=14-2又2/3=11又1/3
答
13又4/11-(2又2/3-7/11)
=13又4/11+7/11-2又2/3
=14-2又2/3
=11又1/3