3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
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3/2+6/1+9/1+12/1+15/1+18/1怎么简算3/2+6/1+9/1+12/1+15/1+18/1怎么简算3/2+6/1+9/1+12/1+15/1+18/1怎么简算2/3+1/6+1/
3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
2/3+1/6+1/9+1/12+1/15+1/18
=8/12+2/12+2/18+1/15+1/18
=10/12+3/18+1/15
=5/6+1/6+1/15
=1+1/15
=16/15
1/3+1/6+1/9+1/12+1/15
简算 2/3+1/6+1/9+1/12+1/15+1/18
3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
2/3+1/6+1/9+1/12+1/15+1/18
2/3+1/6+1/9+1/12+1/15+1/18=
1/3+1/(3+6)+1/(3+6+9)+1/(3+6+9+12)+1/(3+6+9+12+15)+.1/(3+6+9+12+15+.96+99)
2/3 1/6 1/9 1/12 1/15 1/18 哪几个相加等于1
2/3+1/6+1/9+1/12+1/15+1/18快啊,答对再给分
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)快
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)=
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)怎么解?
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)
3*(1/9+1/15)+x*(1/12+1/15)=5/6
(1/9+1/15)*3+(1/12+1/15)X=5/6
(1*3*5+2*6*10+3*9*15+4*12*20)/(1*2*3+2*4*6+3*6*9+4*8*12)jiansuan
(1*3*5+2*6*10+3*9*15+4*12*20)/(1*2*3+2*4*6+3*6*9+4*8*12)
(1*3*5+2*6*10+3*9*15)/(2*4*6+4*8*12+6*12*18)
1*2*3*4+3*6*9*12+5*10*15*20/3*4*5*6+9*12*15*18+15*20*25*30简算