1+1/3+1/5+1/10+1/15+1/30
1个回答
=(60+20+12+6+4+2)/(30+15+10+5+3+1)=13/8
相关问题
(-1/15 )÷(-1/30 )-3/10 +(-1/30 )-(-6/5 )÷1/30
(-1/30)/(1/3-1/5-1/15)
1.(1+ 1/3+ 1/5+ 1/10+ 1/15+ 1/30)+( 1/2+ 1/4+ 1/6+ 1/12+ 1/2
(-30)÷(1/3-1/5-1/15)=?
(3/1-5/1-10/1)*30=?
(1,5,10),(2,10,20),(3,15,30)( )
6(1-1/3y)-1/5(10-15y)=1
1+1=?1=5 2=10 3=15 4=20 5=?
1/1*5+1/5*10+1/10*15+······+1/45*50=