321×46-92×27-67×46简便运算_数学解答

321×46-92×27-67×46简便运算

人气：307 ℃　时间：2020-05-28 18:58:17

解答

321×46-92×27-67×46
=321×46-46×2×27-67×46
=321×46-46×54-67×46
=46×(321-54-67)
=46×200
=9200