(1-3/(2*4))×(1-3/(3*5))×(1-3/(4*6))×.×(1-3/(97*99))=?
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(1-3/(2*4))×(1-3/(3*5))×(1-3/(4*6))×.×(1-3/(97*99))=?
(1-3/(2*4))×(1-3/(3*5))×(1-3/(4*6))×.×(1-3/(97*99))=?
(1-3/(2*4))×(1-3/(3*5))×(1-3/(4*6))×.×(1-3/(97*99))=?
这个,你只要注意找他们的关系就得了
它的答案是 (1/4)乘以(96-1)除以(96+2)
等于(95/392)
(1/3)乘以(96-1)除以(96+2)等于(95/291)
1 2 3 4 ()
1()2()3()4
(1-3/2*4)*(1-3/3*5)*...*(1-3/7*9)
求(3+1)(3²+1)(3^4+1)(3^8+1)(3^16+1)+1/2
计算:2(3+1)(3^2+1)(3^4+1).(3^16+1)+1
2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1等于多少
(-1/2)-(-1/3)-(+1/4)
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
2×(3+1)×(3^2+1)×(3^4+1)×(3^8+1)+1=?
计算4(3^2+1)(3^4+1).(3^2006+1)
2/3,1,6/5,4/3,( ),3/2
(1)4/3,1,2,7,()(2)3/15,1/3,3/7,1/2,()
计算:8(3^2+1)(3^4+1)(3^8+1)(3^16+1)+1
-1/2+(-1/6)-(-1/4)-2/3
(-3/2)*(+1又1/3)*(-1-1/4) (-3/2)*(+1又1/3)*(-1-1/4)
(1*2)/1+(2*3)/1+(3*4)/1+.+2010*2011/1