2×2×2+4×4×4+6×6×6+…+98×98×98+100×100×100 简便计算~
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/16 06:31:49
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2+4+6+8+……100
2+4+6+……+100=
2+4+6+……50
2,2+4,2+4+6,……,2+4+6+……+2n,……,求S(n).
2×4+4×6+6×8+…+20×22
(5+6)(5^2+6^2)(5^4+6^4)…(5^64+6^64) 急
-26,-6,2,4,6(
1/2+(1/2+4)+(1/2+4+6)+……+(1/2+4+6+……+50)=?
(-2)+4+(-6)+8+…+(-2012)+2014
2+4+6+8+10…+100
2,-3,-4,6
2+4+6+8.1000...
2,4,6,8,
1,2,4,6,
2+4+6+8.
2,4,6,8
2+4+6+8+...
2 3 4 6