(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解有分加
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![(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解有分加](/uploads/image/z/558569-65-9.jpg?t=%281%2F10%2B1%2F12%2B1%2F15%29%2A%286-x%29%2B%281%2F12%2B1%2F15%29%2Ax%3D1%E6%80%8E%E4%B9%88%E8%A7%A3%E6%9C%89%E5%88%86%E5%8A%A0)
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(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解有分加
(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解
有分加
(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解有分加
(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1
(6-x)/10 +(1/12+1/15)*6-(1/12+1/15)*x+(1/12+1/15)*x=1
(6-x)/10+6*(4+5)/60=1
6-x+9=10
x=5
(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解啊!
(1/10+1/12+1/15)*(6-x)+(1/12+1/15)*x=1怎么解有分加
2/1 3/1 4/1 5/1 6/1 8/1 10/1 12/1 15/1 20/1
1/12+1/15+1/10
1/6:X=15/12:3/10X*3/10=15/12*1/6为什么要这么做X*1/6=3/10*15/12
(1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
1/3+1/6+1/9+1/12+1/15
1/4:1/5:1/6=15:12:10怎么得来的,1/5:1/6=15:12:10
(1+1/3+1/5+1/10+1/15+1/30)/(1/2+1/4+1/6+1/12+1/20+1/60)(用简算)
(1+1/3+1/5+1/10+1/15+1/30)/(1/2+1/4+1/6+1/12+1/20+1/60)=?简便计算方法
(1+1/3+1/5+1/10+1/15+1/30)/(1/2+1/4+1/6+1/12+1/20+1/60)=?简算
1,3,6,10,15,< >
(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)
1÷(1/10+1/15+1/12)
(7/12-15/15)/1又6分之1