1/2+2/3+3/4+4/5+.+100/101 等于多少怎么算
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1/2+2/3+3/4+4/5+.+100/101 等于多少怎么算
1/2+2/3+3/4+4/5+.+100/101 等于多少怎么算
1/2+2/3+3/4+4/5+.+100/101 等于多少怎么算
原式=(1-1/2)+(1-1/3)+(1-1/4)+...+(1-1/100)+(1-1/101)
=1*101-(1/2+1/3+1/4+...+1/100+1/101)
=101-ln101+0.57721-1
4*[3/5-(3/4-2/5)]/1/10
(4/5+1/4)÷2/3+3/10
4/5+1/2-3/10-4/5
1/1*2*3+1/2*3*4+1/3*4*5+.+1/8*9*10
(1)12^13(3^10*4^11) (2) (5^4*3^3-5^3*3^2+5^2*3)/15
1*2*3+2*3*4+3*4*5+5*6*7+.10*11*12
1*2*3+2*3*4+3*4*5+5*6*7+.10*11*12
2/3×3/4×10×1/2
1+2+3+4*10
(3/4 + 1/5) * 10/3 ÷ 9/2
/1/3-1/2/+/1/4-1/3/+/1/5-1/4/+.+/1/10-1/9/
|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+...+|1/10-1/9|
英语翻译daily feeding guidelinesweigth lbs weaning-11weeks 3-4 months 5-7 months 8-12 months 3-5 1 - 1 1/3 3/4 -1 1/4 2/3 - 3/4 1/2-2/3 5-10 1 1/3 - 2 1/4 1 1/4 - 2 3/4 - 1 1/3 2/3 - 1 1/4 10-20 2 1/4- 3 2/3 2 - 3 1/4 1 1/3 - 2 1/4 1 - 1 3/4 20-3
“1/2+1/3+2/3+1/4+2/4+3/4+1/5+2/5+3/5+4/5+……+1/10+2/10+3/10+……+8/10+9/10”怎么简便计算啊,帮帮
5+4+3+2+1+8+10+7+18+2
-1/2,2/5,-3/10,4/17的规律性
1+2x/4-1-3x/10>-1/5
(1+2x/4)-(1-3x/10)>-1/5