(1/3-2/1)/(1/4+1/3)*(-1/5-1/4)/(1/6+1/5)*91/7-1/6)/(-1/8+1/7
数列找规律!(1)1,2,-3,-4,5,6,-7,-8(2)-1,-1/2,1/3,1/4,-1/5,-1/6,1/7
(1)1+1/2+1/3+1/4+1/5+1/6+1/7+1/14+1/28
(2分之1-1)*(3分之1-1)*(4分之1-1)*(5分之1-1)*(6分之1-1)*(7分之1-1)
1/1+(1/1+2)+(1/1+2+3)……+(1/1+2+3+4+5+6+7+8+9+10+11)=
(1+1/2)*(1+1/4)*(1+1/6)*...*(1+1/2008)*(1-1/3)*(1-1/5)*(1-1/
求解一道QB的题,quickbasic语句.(1+1/3+1/5+1/7+1/9)-(1/2+1/4+1/6+1/8+1
(1+2/1)(1+4/1)(1+6/1).(1+10/)(1-3/1)(1—5/1).(1-9/1)
1/(1*3)+1/(2*4)+1/(3*5)+1/(4*6)+...+1/(8*10)=?
6/1十3/1十2/1 15/8+(30/7一5/1) 7/6一(7/1+2/1) 10/9-(4
1/9{1/7(1/5((x+4)/3+2)+6)+8}=1
4、1、3、6、5、7、1、1、()、2、8、2.找规律填数,
(2-3)-(5*7-8)+11-(9-6-4)*(3+1)= (1/2-3)*(1-1/2-1/