求和计算器
等差和等比级数求和
公式
Arithmetic: S = n(a₁+aₙ)/2
Sum formulas for arithmetic and geometric series.
示例
1+2+...+10
Sum = 55.
常见问题
关于 求和计算器
Calculate sums of arithmetic and geometric series.
等差和等比级数求和
Sum formulas for arithmetic and geometric series.
Sum = 55.
Calculate sums of arithmetic and geometric series.