(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/
(-1/4+1/6-1/8+1/12)*(-24)
(1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12+1/13+1/14+1/
2/1 3/1 4/1 5/1 6/1 8/1 10/1 12/1 15/1 20/1
(2/1-4/1)+(4/1-6/1)+(6/1-8/1)+.+(48/1-50/1)
(1+2/1)(1+4/1)(1+6/1).(1+10/)(1-3/1)(1—5/1).(1-9/1)
1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12的整数部分是几,为啥
找规律填空:1/12,1/6,1/4,1/3,5/12,1/2,().
简算:(1+1/3+1/5+1/10+1/15+1/30)÷(1/2+1/4+1/6+1/12+1/20+1/60)=?
(1+1/3+1/5+1/10+1/15+1/30)÷(1/2+1/4+1/6+1/12+1/20+1/60)
(1*2*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8*16)简算