6x?一2x?=24 2.8x?+1.26x?一2x?=24 2.8x?+1.2x?=3.6 是多少
问题描述:
6x?一2x?=24 2.8x?+1.2
6x?一2x?=24 2.8x?+1.2x?=3.6 是多少
答
6x?一2x?=24 2.8x?+1.2
6x?一2x?=24 2.8x?+1.2x?=3.6 是多少