1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)/ 是除号
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1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)/是除号1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)/是除号1/(2
1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)/ 是除号
1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)
/ 是除号
1/(2/3)/(3/4)/(4/5)/.(2008/2009)/(2009/2010)/ 是除号
1005,这不会是干扰答案吧?
(1) (2) (3) (4) (5)
1)2)3)4)5)
1) 2) 3) 4) 5)
0-(+2/1)-(+5/2)-(-4/3)-(+4/1)-(-5/3)
-1-(-2)-(+3)+(-4)-(-5)
(1-2)(1-3)(3-4)(4-5)...(19-20)=
5/9+(3/4-1/2)
4/5+(3/8-1/2)
(1/3+2/3)+(1/4+2/4+3/4)+(1/5+2/5+3/5+4/5)+.+(1/100+.99/100)=
(4/5+1/4)÷2/3+3/10
1/2+(-2/3)-(-4/5)+(-1/2)-(+1/3)
2/3,1,6/5,4/3,( ),3/2
(2*3*4*5)*(1/2-1/3-1/4-1/5)
-3²×(-3)² (-1/2)×(-2/3)×(-3/4)×(-4/5)-3²×(-3)² (-1/2)×(-2/3)×(-3/4)×(-4/5)
4×(-1/2²)-3/2×(-2/5)
(1-3/2*4)*(1-3/3*5)*...*(1-3/7*9)
(-1)*(-2)*(-3)+(-2)*(-3)*(-4)+(-3)*(-4)*(-5)+~+(-100)*(-101)*(-102)
1()2()3()4