MaliyaQ 幼苗
共回答了18个问题采纳率:88.9% 举报
1年前
ccf_jcc 幼苗
共回答了1576个问题 举报
回答问题
六年级数学找规律简算计算分数1/2x4+1/4x6+1/6x8+.+1/48x50
1年前1个回答
1/2x4+1/4x6+1/6x8+……+l/48x50
1/2x4+1/4x6+1/6x8+...+1/198x200 求解题过程及答案.
1\2x4+1\4x6+1\6x8+…+1\2012x2014等于?,
1年前2个回答
1/1x2=1-1/2,1/2x3=1/2-1/3,1/3x4=1/3-1/4.那么1/2x4+1/4x6+1/6x8.
1/2x4+1/4x6+1/6x8+...+1/2006x2008=______要讲解,一步一步的讲解,
1/2x4 + 1/4x6 +1/6x8 + .1/198x200
一个数列的运算1/2x4+1/4x6+1/6x8+……+1/2k(2k+2)+1/(2k+2)(2k+4)连续偶数的乘积
1年前5个回答
1/2x4+1/4x6+1/6x8+…+1/2010x2012 怎么算!
1年前3个回答
1x2/1+2x3/1+3x4/1+.+2009x2010/1=? 2x4/1+4x6/1+6x8/1+.+2010x2
2x4/1+4x6/1+6x8/1.+96x98/1+98x100/1=
2x4/1+4x6/1+6x8/1+…+2008/2010=?
2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
观察下列等式:1/(1x2)=1-1/2; 计算:1/(2x4)+1/(4x6)+.+1/(2012x2014)=
1/2X4+1/4X6+1/6X8+.+1/198X200要过程加答案(或者直接答案)
简便运算:3/(2x4)+3/(4x6)+3/(6x8)+```+3/(98x100)要所有的过程 急
画出求1X3+ 2X4+ 3X5+ 4X6+ 5X7+ 6X8+ 7X8的值的程序框图
数列1/2x4 1/4x6 1/6x8 ……1/2n(2n+2 )……前n项和为
简化:1/2x4+1/4x6+1/6x8+...+1/18x20(x为乘号).
你能帮帮他们吗
如图,A(4,0),B(0,4),⊙O经过A、B、O三点,点P为弧OA上一动点(异于O、A),求PB-PA/PO的值
有可逆反应:Fe(s)+CO2(g) FeO(s)+CO(g)。已知938K时平衡常数K=1.47,1173K时平衡常数
Where is your white shoes
下列各式中能用平方差公式计算的是( )
We had waited for Jane for an hour before she ______.
精彩回答
After five hours' drive, they reached _____ they thought was the best place they they'd been dreaming of. [ ]
方程ax2+bx+c=0(a≠0)的两根为﹣3和1,那么抛物线y=ax2+bx+c(a≠0)的对称轴是直线
1,025英文怎么写
用简便方法计算: (1)201×32-32 (2)137-87-13+63 (3)36+99×36
Can you please confirmed if the cargo was delivered?什么意思