1.1/1×3 + 1/3×5 + 1/5×7 +……+ 1/99×101
1.1/1×3 + 1/3×5 + 1/5×7 +……+ 1/99×101
1.计算:1/1*3+1/3*5+1/5*7+……+1/99*101
简算:1/(1*3)+1/(3*5)+1/(5*7)+……+1/(99*101)=
1/1*3+1/3*5+1/5*7+……+1/97*99+1/99*101
1/(1+3)+1/(3+5)+1/(5+7)…+1/(99+101)=( )简便计算
1/1×3+1/3×5+1/5×7+…+1/99×101 等于多少啊
1×1/3+1/3×1/5+1/5×1/7+……+1/99×1/101
计算1-3+5-7+…-99+101的值
1/1*3+1/3*5+1/5*7+1/7*9……+1/99*101等于多少?
1/1×3 + 1/3×5 + 1/5×7 +……+ 1/99×101 等于多少啊?
1.1/1*2+1/2*3+1/3*4+……+1/99*100 2.2/1*3+2/3*5+2/5*7+……+2/97*
1/3*2/5+1/5*2/7+ 1/7*2/9+……+1/99*2/101