1/2*1/15+1/3*1/2 6-(3/4-2/5) 1/6+1/5+1/2 4/5+11/15+3/10
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1/2*1/15+1/3*1/26-(3/4-2/5)1/6+1/5+1/24/5+11/15+3/101/2*1/15+1/3*1/26-(3/4-2/5)1/6+1/5+1/24/5+11/15+
1/2*1/15+1/3*1/2 6-(3/4-2/5) 1/6+1/5+1/2 4/5+11/15+3/10
1/2*1/15+1/3*1/2 6-(3/4-2/5) 1/6+1/5+1/2 4/5+11/15+3/10
1/2*1/15+1/3*1/2 6-(3/4-2/5) 1/6+1/5+1/2 4/5+11/15+3/10
这个没有什么渐变方法的,你一个个乘起来就行了
计算(-15)-(1/3-1又1/2--3)*6
1-1/2+1/3-1/4+1/5-1/6+…+1/15=23*[1/( )+1/( )+1/( )+1/( )]
2/1 3/1 4/1 5/1 6/1 8/1 10/1 12/1 15/1 20/1
1/2*1/15+1/3*1/2 6-(3/4-2/5) 1/6+1/5+1/2 4/5+11/15+3/10
(1)1-1/2-1/6-1/12-1/20-...-1/9900(2)1/2+1/6+1/12+1/20+...+1/9900(3)1/3+1/15+1/35+1/63+...+1/9999
(-15)/(1/3-1/2)*6正确的计算步骤
6分之1+3分之1*15分之2计算
1+2+3+4+5+6+1/15
简单是数列求和1/1+1/3+1/6+1/10+1/15+.+1/((n+1)*n/2)=?
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=
1/2*1/15+1/3*1/2简便计算
(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
(1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)