37×53分之27+36×53分之26 如何简算
问题描述:
37×53分之27+36×53分之26 如何简算
答
37×53分之27+36×53分之26
=37×27/53+36×26/53
=(36+1)×27/53+36×26/53
=36×27/53+1×27/53+36×26/53
=36×(27/53+26/53)+27/53
=36×53/53+27/53
=36+27/53
=36又27/53