(49-1/8)x1/8+(46-1/8)x1/8+(43-1/8)x1/8+.+(1-1/8)x1/8=?
问题描述:
(49-1/8)x1/8+(46-1/8)x1/8+(43-1/8)x1/8+.+(1-1/8)x1/8=?
答
(49-1/8)x1/8+(46-1/8)x1/8+(43-1/8)x1/8+.+(1-1/8)x1/8=?